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how to change drive letter server 2019

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Changing Drive Letters and Labels via PowerShell

February 19th, 2021 8 0

Q: I want to change the drive letter and the drive label for a new USB drive. Is there a way with PowerShell?

A: Of course. One way is to use WMI and the CIM cmdlets.

PowerShell does not have a cmdlet to change the drive letter or the caption directly. But the good news is that you can use WMI and the CIM cmdlets to change both the drive letter and drive label. The Windows management tools have cmdlets ( Set-Partition and Set-Volume ) to change the drive letter and the caption directly. But it is also good to know how to do it via WMI and the CIM cmdlets to change both the drive letter and drive label. And under the covers, when you use Set-Partition , you are actually using WMI. Both the Windows Storage and Windows Networking teams make heavy use of WMI and expose cmdlets via CDXML modules. The *-Partition cmdlets are implemented by the CDXML Storage module.

WMI Classes, Class properties and Class Methods

WMI holds a huge amount of information about a Windows host in the form of WMI classes. Every IT professional should know about WMI.

WMI holds a hierarchical database of classes and class occurrences. These classes describe the hardware and software in your computer. This database is organized in to namespaces each which contains classes and, optionally, additional namespaces. You can use the CIM cmdlets to both retrieve and update this information.

For example, you can discover the drive letter and drive label for a drive from the Win32_Volume class. This class in in the rootCimV2 namespace.

Many WMI classes also contain methods that you can use to act on the WMI object. You can use the Format() method of the Win32_Volume class to format a Windows volume.

To obtain the values of the properties of a WMI class, or to invoke a class method, you can use the WMI cmdlets, which shipped with Windows PowerShell V1. However, these cmdlets no longer ship with PowerShell 7. Of course, a determined IT Pro could find a way around that – but you don’t have to!

With PowerShell 7, you use the CIM cmdlets to access this information. The CIM cmdlets first shipped with Windows PowerShell V3 and represented a major overhaul in how IT Pros access WMI. The newer cmdlets do the same job as the WMI cmdlets but have different cmdlets, and different ways of working as you can see in this article.

Discovering WMI Class Properties

You use the cmdlet Get-CimClass to discover the names (and type) of the properties of any given class. You can discover the properties of the Win32_Volume class like this:

The output from this commands looks like this:

In this list, you see each property of the Win32_Volume WMI class, the data type of the property and qualifiers. Qualifiers tell you more about the property – in particular whether a given property is read-only or read-write. The PageFilePresent property tells whether a given volume contains a Windows paging file. This property can not be changed using the CIM cmdlets. The DriveLetter and Label properties, on the other hand, are ones you can update. Let’s look at how you can change those properties.

Getting WMI properties

Suppose you want to change the volume label of a disk drive. In my host, the M: drive contains a collection of digitised music and my collection of thousands of Grateful Dead live concerts. I have been collecting for a long time and have a disk deadicated [SIC] to the task. But sometimes, when I plug in my USB backup drives to perform a backup, Windows changes the drive letter for me. To ensure my backup scripts work, I need to change it back so my backup scripts work properly.

To obtain the value of the drive label and drive letter, you can do this:

On my Windows 10 host (Cookham24), the output looks like this:

Changing Drive Label

You saw above that both the drive label and the drive letter are writable properties. To change the label for this disk volume, you assign a new value to the label property of $Drive . Changing the property value updates the in-memory class instance which is not a permanent change. In order to persist the change, you need to use the Set-CimInstance CMDLET. Here is how you can change the drive label, and then confirm the change:

The output form this command, which shows the updated system label, looks like this

Changing Drive Letter

To change the drive letter for a volume, you use Set-CimInstance to change the drive letter, like this:

If you are running PowerShell 7 in a non-elevated session, this operation fails like this:

This error is expected since you are not running PowerShell as an administrator. To overcome this error, re-run the command in an elevated session (run as administrator). Then your output looks like this:

Changing the drive letter can take a while – so be patient.

And as a final point – you can combine the two property updates in a single call to Set-CimInstance . To revert this drive to the old drive letter ( M: ) and it’s Label ( GD Master ) and confirm the change, you can do it like this:

You can view the resulting change to drive letter and label using Get-Volume . The output should look this:

Changing drive letters using PowerShell 7 is simple and straightforward. As you can see, using the Set-CimInstance PowerShell cmdlet to modify writable WMI properties is easy. I feel it’s more intuitive than making multiple property value assignments (once you you master the hash table). The cool thing is that multiple properties can be modified at one time instead of making multiple value assignments.

And as ever, this post shows there is often more than one way to achieve any aim.

Tip of the Hat

This article was inspired by an earlier Scripting Guys Blog post: Change drive letters and labels via a simple PowerShell command . That article was written by the most excellent Ed Wilson – thanks Ed!

@DoctorDNS PowerShell Evangelist, PowerShell Community Blog

' data-src=

Discussion is closed. Login to edit/delete existing comments.

Hmm, I was quite sure I could do that with PowerShell anyway, without digging into WMI. Power to those who dare do it, but I’ve always been intimidated a bit by WMI. This is great help, thanks. I’ll probably be back here often.

“PowerShell does not have a cmdlet to change the drive letter or the caption directly”

“Changing drive letters using PowerShell 7 is simple and straightforward.”

Sure it is when you do it properly:

To change drive letter:

To change drive name:

And that’s it!

With all due respect, this article is wrong on so many levels. It is a great example of overengineering. It requires programming knowledge of objects, properties, hashtables, and internal features of Windows OS. It uses workarounds instead of standard and common measures to achieve the same goal. It shows a lack of PowerShell usage fundamentals as even Get-Command volume / drive / partition would give you a clue to handle this properly.

And lastly, it will be an example for newcomers when they will compare PowerShell to other shells: “If simple things like changing drive letter or label require FOUR pages of explanation and hackiery, what about complicated things? PowerShell can’t be good!”

Please always refresh your knowledge and get a second opinion before you publish a blog on official channels. Right now it is a guide for developers on how to use WMI. IMHO, putting this article into the PowerShell section is doing more harm than good. I would suggest moving it to ‘WMI’ section of some other ‘developer blogs’ section.

Thanks for the comment. I have updated the article although it’ll take a day or two to get the change online. You can read the PR here https://github.com/PowerShell/Community-Blog/pull/24 in the meantime.

The reason for wanting to introduce WMI here is that, under the covers, the Storage Module is based on WMI anyway. Since I think Windows PowerShell 4, you have been able to use CDXML files to define cmdlets based on WMI classes. The Networking and Storage teams inside Windows make heavy use of this technology to release their WMI classes as cmdlets. So when you use Set-Volume, you are actually updating a WMI class via Volume.cdxml. The Storage module, for example, has 28 CDXML files for storage-related classes/cmdlets. I had intended to make this clear and I thank you for catching this.

I note your other comments. If you have specific ideas for potential blog articles, please come over to GItHub and file an issue suggesting a topic. You can file an issue at https://github.com/PowerShell/Community-Blog/issues . There is an issue template for a suggested article and I’m really happy to see any specific suggestions. Even better if you want to write it or help write it.

@Thomas I commend you on the generous response to @Aliens’ comments regarding this first blog post. I am also thankful for the efforts made towards kicking this initiative off regarding a community improved PowerShell blogging experience.

The interaction here goes to highlight beautiful differences that one can answer and solve a question one way while not wrong and another correct response to the same question can be provided in another way. Thus, teaching both old schoolers and new schoolers in the process. Though, I am still just getting started and will continue too until well, I get started. Is there a command for that? #Getting-Started 🙂

Thanks for updating the article. Now I understand the reason why you were so focused on WMI. You wanted to cover the lowest common denominator which works even for Windows 2008 R2, to cover the widest audience. My concerns were mainly about “How PS is viewed by newcomers”. Now I’m certain that it can be both ways: first, provide the most simple and straightforward way (notice that I didn’t even use | for the pipeline) so PS would appear neet. Then provide an alternative example to cover the widest audience of systems/solutions without necessarily focusing on simplicity. I will post this suggestion on GitHub for wider discussion.

Many organizations/enterprise, industry-wide is barely off PowerShell v2 and v3. I support customers globally, and I can count the number of customers using PowerShellv6/7 on one hand.

is only available after Windows PowerShell v5x as noted below

So, you are valid relative to what WPSv5x and PSv7 provide, it does not apply to 80-90% of the rest of the world, or even the USA.

So, though publishing this to a WMI specific forum is prudent, yet, Set-Partition should have been covered relative to v5/v7. It is just as important this info to be here for much of the world that is not on WPSv5x/PSv7 and who will not get there anytime soon.

We can/should never assume that anyone is running the latest and greatest of anything (industry is always 5-10 years or more behind the release cycles), and should always write, show, explain code the lowest common (organization/enterprise/industry) denominator to the lastest, to cover the widest audience.

Agree. Now when I have seen the whole context, I believe that we can have the best of both worlds: the most simple and straightforward way for newcomers and alternative examples to cover the widest audience of systems/solutions.

' data-src=

Thanks for the heads up!!

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About the Author

how to change drive letter server 2019

Updated on Apr 22, 2024

Every disk on Windows servers is assigned a letter by default. Default sets the C drive, which contains all of the operating system data. On a Windows server, we have seen the drives D, E, and G, as well as any external disk designated H.

You may not be aware of it, but the disk letter can be changed. You have the option of changing the existing disk letter. You can change and view the same disc letter in every device by changing it manually. It will not only help you in assigning a new letter, but it will enable you to assign letters. It allows better data organization and convenience.

In this article, we will look at how to change the disk letter. We will first go over the default way provided in every server to change it. Aside from that, we will discuss why the disk change option is greyed out. We will also recommend a third-party utility that is better suited to this problem. By the end of this article, you will be able to determine the optimum approach for changing disk letters So, let's take a closer look at the details.

Extended Reading: Drive Letter Not Available

Change Drive Letter in Disk Management

The Disk Letter can be changed using the default feature. You can use disk management to change the disk letter. It is an available Windows server. You can easily change the drive letter through it.  Let's have a look at how to allocate a disk letter in disc management step by step.

Step 1. Go to the start menu, on the windows button right-click and open Disk Management.

Go to Start Menu And Right Click Select Disk Management

Step 2. In disk management, select the drive you want to change the letter. Right-click on the drive and select "Change Drive Letter and Paths".

Select the Disk Management and choose Change Drive Letter and Paths Option

Step 3.  Now, from change drive letter and paths options. Click on "Change" to change the drive letter. Here we have selected the drive F to change.

Click on Change to Change the Drive Letter option

You can click on "Add" option if the disk letter is not assigned previously.

Step 4.   Select the new drive letter and click on "OK". The disk letter in the following example is changed to drive E.

Select the New Drive and Press Okay

In the above example, the drive letter is changed as per the desired drive letter by using disk management.

Why Change Drive Letter and Paths Grayed Out?

You may notice while attempting to change the drive letter, the change option is greyed out. Even the Drive seems to be in healthy condition, but it is  unable to change the drive letter. The following are some of the possible causes for the option greyed out:

  • The drive letter you want to change may be already in use. As a result, you are unable to change it.
  • A system partition or a boot partition cannot be changed.
  • The drive letter is being used on the connected drive.
  • The volume is not ready to receive a drive letter.
  • Another reason can be the unsupported operating system.

These are possible reasons for drive letter paths grayed out.

What to Do If You Can't Change Drive Letter?

Now that we have seen the possible default solution and the reason for the drive letter's inability to be changed, we can go on to the next step and suggest you to use a third-party utility. The utility is not only quick but also safer and easier to use. Try EaseUS Partition Master Enterprise . It is a disk management alternative. This tool will change the disk, create partitions, and assist you in allocating drive space. It allows the maximum amount of disk space utilization. According to the amount of space required, You can create partitions.  EaseUS Partition Master Enterprise has significant features that help the user to get the job done instantly.

The following are some of the key characteristics of EaseUS Partition Master Enterprise:

  • Flexibility move and resize partition
  • Quickly format partitions
  • No risk of data loss
  • Support to convert NTFS to FAT32
  • Helps to resolve low disk space issues by merging partitions 
  • Check partition error and fix it
  • 100% secure to use
  • Easily repair disks
  • Capable of improving partition recovery
  • Rightly allocates the partition size to maximize the PC performance

If you are a beginner and want to try it, you can download the trial version to try it. You can download EaseUS Partition Master Enterprise from its official website. Follow the steps below to change your drive letter:

Step 1.  Run EaseUS Partition Master, right-click the target partition, and choose "Change Drive Letter".

Step 2.  In the new window, click the down arrow and choose a drive letter for the partition from the drop-down menu, then click "OK".

Step 3.  Click the "Execute 1 Task(s)" button in the top-left corner, check the changes, and click "Apply" to change the drive letter of the selected partition.

Conclusion 

To summarize, what has been stated so far, we have seen the causes for changing the disk letter space issue. We have also looked at the solutions. You have the option of using the default solution of disc management. Though Disk Management works perfectly fine at times, it does not allow you to change the disk letter. The option is sometimes greyed out. We recommend that you go with a safer, faster, and easier choice. The EaseUS Partition Master is a viable solution. It fixes all problems with disk letters, including the greyed-out option. This easy-to-use application can help you allocate disc space more efficiently. Try EaseUS Partition Master Enterprise and see for yourself.

How Can We Help You

how to change drive letter server 2019

Updated by Cici 

Cici is the junior editor of the writing team of EaseUS. She accepted the systematic training on computers at EaseUS for over one year. Now, she wrote a lot of professional articles to help people resolve the issues of hard drive corruption, computer boot errors, and disk partition problems.

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how to change drive letter server 2019

Written by Daisy 

Daisy is the Senior editor of the writing team for EaseUS. She has been working at EaseUS for over ten years, starting as a technical writer and moving on to being a team leader of the content group. As a professional author for over ten years, she writes a lot to help people overcome their tech troubles.

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I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes. I also think the overall look and feel of EaseUS Partition Master Free makes whatever you're doing with your computer's partitions easy.

Partition Master Free can Resize, Move, Merge, Migrate, and Copy disks or partitions; convert to local, change label, defragment, check and explore partition; and much more. A premium upgrade adds free tech support and the ability to resize dynamic volumes.

It won't hot image your drives or align them, but since it's coupled with a partition manager, it allows you do perform many tasks at once, instead of just cloning drives. You can move partitions around, resize them, defragment, and more, along with the other tools you'd expect from a cloning tool.

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Changing Drive Letters Issue

  • Thread starter davidrosen
  • Start date Aug 29, 2018

davidrosen

  • Aug 29, 2018

I just had to reinstall Windows 10 on a new SSD drive after a failure of my C: I still have things on multiple other drives that are organized a specific way, but after the new installation my drive letters are all wrong. I know how to go into Disk Manager to change drive letters but when I do it is SO slow. I'm not even sure if it's going. The whole thing just hangs on trying to change letters. Is there a better way? A way that's smoother and faster? Maybe from safe mode or a command prompt or something?  

jsmithepa

Slow? It should be instantaneous. Ya, try safe mode. The trick is, do it while system is not doing anything else, completely idle, then once is done, seconds, reboot. If u have tons of crap auto-loaded at boot, maybe those things are having a LOCK on drives in question, must make sure those things are not running.

USAFRet

Inside Disk Management is the way to do it. Being slow is a whole different problem. Possibly in safe mode, so that you're sure of not trying to use any resources that live on these other drives.  

Slow? It should be instantaneous. Ya, try safe mode. The trick is, do it while system is not doing anything else, completely idle, then once is done, seconds, reboot. If u have tons of crap auto-loaded at boot, maybe those things are having a LOCK on drives in question, must make sure those things are not running.  

  • Sep 5, 2018

yeah my computer definitely is having issues haha... it takes 15-20 minutes. and booting does too. brand new windows install. not much installed/running. gonna start disconnecting drives soon. pain in the butt.  

HD maybe dying, or Ram starved/ram leak.  

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Can I rearrange drive letters of my mapped network drives?

I have several network storage drives that I've mapped in Windows. I'm wondering if I can change their assigned drive letters easily rather than disconnecting from them all and remapping in my preferred order.

  • network-shares
  • drive-letter

intA's user avatar

  • 1 You don't have to do them in a certain order. When you map the drive you can assign the drive letter at that point. –  Ramhound Commented May 18, 2015 at 17:24
  • I think you can rename them, and you can re-assign drive letters in Disk Management, but they need to be disconnected to do so. –  TheWanderer Commented May 18, 2015 at 17:25
  • @Zacharee1, I don't think you can manage network drives like this in Disk Management. I do not see any of them listed there, and disconnecting the drives would mean essentially getting rid of that mapping. When I right click a network drive and select 'disconnect' the drive dissapears for good. –  intA Commented May 18, 2015 at 20:05
  • Like I said, there's no way to rename them, thanks to the way Windows works. I realized the Disk Management problem right after I posted it. –  TheWanderer Commented May 18, 2015 at 20:06
  • It's not such a big chore: when you disconnect a network drive, the path remains in the drop-down list when you set up a new mapping, so it's only half a dozen clicks per drive. –  AFH Commented May 18, 2015 at 21:50

2 Answers 2

Start → Run.. . (or just press Win + R )

Type: "regedit"

Navigate to HKEY_CURRENT_USER\Network\

There you will see a list of letters representing your mapped network drives.

Right-click the one you want to change and select "Rename". Type your desired new drive letter and close RegEdit.

Your network drive is now associated with the new drive letter.

Andreas's user avatar

  • Brilliant! Thanks for this –  Chris Browet Commented Aug 16, 2019 at 16:52
  • Reboot was even not needed on my Windows 10 2004 –  cid Commented Jan 6, 2021 at 10:31
  • 1 In order to not reboot, one may restart explorer.exe (the most casual way would be to have an Explorer window open, go to Task Manager - Processes tab, right-click Windows Explorer app, click Restart ). This will mount under newly renamed letter, but old mounts will persist until reboot or manual disconnect (e.g. via right click menu) –  Leeroy Commented Mar 8, 2022 at 11:57

In Windows Explorer, go to "This PC" and click "Map network drive".

enter image description here

Now you can choose the network folder and change the drive letter. No reboot required.

enter image description here

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how to change drive letter server 2019

Change drive letters on a shared drive- Server 2012

We have a Drive E: on a server 2012R2 (soon to be upgraded to 2016 or 2019) that is shared out. It has more than one share, making various directories on E: available to users.

I inherited this server, and its MBR partitioned disks. The drive is full. I’ve added space to it when the users and developers scream about mission-critical processes collapsing because the drive is full, but all attempts to clean it up have failed (for human reasons, not technical ones.) I see email chains going back at least 3 years attempting to clean it up to no avail.

I have already created a GPT drive with the directory structure, called J: for no good reason.

And now finally, my question : The CTO wants me to go into the Windows Disk Management tool and

  • Remove the E: drive letter from the MBR drive
  • Remove the J: drive letter from the new GPT drive
  • Give the new GPT drive the E: drive letter
  • Give the old MBR drive some other letter

So-- will this allow the multiple shares that are now on the MBR drive to magically work on the new GPT drive, provided all the right directories exist? I can reboot the server after the changes if needed, but I’m slightly skeptical of this plan.

My original idea was to change all the shares currently pointing to E: to J: and maybe reboot if needed.

Part two of this question is what will the users need to do? There are humans using these shares, but also a lot of processes and programs on other machines. To my surprise, the claim is that they use a mapped drive letter, NOT a UNC path or other mechanism, so will they have to re-map the shared drives to local drive letters again?

The big problem here is that this critter is used at all hours and it will be hard enough to find an outage window to make the change.

TIA for any assistance.

If you copy all of the data over, then just changing the drive letters and rebooting will work. Existing shares and share permissions will be there.

It is still up to you to get files moved over with correct permissions.

:slight_smile:

End users don’t need to change anything. They will see the same UNC path. Their drive mappings will be the same. Heck, the server basically won’t know the difference either.

Welcome to the community!

Also note that Windows 2012 and 2012 R2 go end of extended support in October 2023. That means that you should be planning now to upgrade to 2022. I would skip 2016 and 2019.

It would be easiest to use robocopy, it has functions that allow you to copy data from one drive to another while maintaining all the permissions are on it. Robocopy from E: to J:

Your CTO is right. Expected downtime is only as long as it takes to restart the server. You can script the letter change and restart and schedule it to happen at night when no one (or at least a small number of people) is using the file server. Since you are still running Windows Server 2012 R2 and the upgrade is not happening right now, I would also highly recommend using this migration opportunity to virtualize your file server https://www.hyper-v.io/migrating-cloud-easy-experience-choosing-p2v-converters/ .

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how to change drive letter server 2019

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Do shares survive changes in drive letter?

Using robocopy to mirror (with security) physical drive E: to iSCSI drive G: Once this is complete, I was planning to make sure there are no open file handles or sessions (it's a file share server) and then:

  • Delete drive letter E:
  • Rename drive letter G: to E:

At step #1, will the shares (upon which DFS is reliant) stay intact or will they get deleted/broken?

Rob Nicholson's user avatar

Yes the shares are associated with the drive letter and/or mount point.

I have used a procedure similar to that in the past when moving to a different type of storage. I replicate the data, stop the server service, shuffle the drive letters or mount points around, and restart the Server service.

You mention DFS, are you doing an DFS replication. I am pretty sure that drive letter swap would completely screw up replication, but I don't have any good references to support that belief. If you are only using DFS for namespace purposes then it shouldn't matter.

Zoredache's user avatar

  • We are using DFS namespaces and DFS replication but the two aren't connected (e.g. replication not published/link to namespace). I was planning to stop the DFSR service as well - it uses drive letters so I guessed E:\Data would still work after jiggling letters around –  Rob Nicholson Commented Sep 8, 2011 at 21:15
  • If you are using DFS-R I believe you would have to disable/remove the replica. Then re-add it when you are done with shuffling things around. When you copy the data, make sure you do it correctly, or you will have a massive resync. This blog describes the steps required to Replacing DFSR Member Hardware . I believe you would have to follow those steps here to make sure your replica is valid. –  Zoredache Commented Sep 8, 2011 at 21:25

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how to change drive letter server 2019

Changing the Drive Letter and Paths

Suppose that you have drive C: assigned as your first partition and drive D: assigned as your CD drive. You add a new drive and partition it as a new volume. By default, the new partition is assigned as drive E:. If you want your logical drives to appear before the CD drive, you can use the Disk Management utility's Change Drive Letter And Paths option to rearrange your drive letters.

When you need to reassign drive letters, right-click the volume you want to change the drive letter on and choose the Change Drive Letter And Paths option, as shown in Figure 4.16. This brings up the Change Drive Letter And Paths For Drive: dialog box, as shown in Figure 4.17. Click the Edit button to access the Edit Drive Letter Or Paths dialog box. Use the drop-down list next to the Assign A Drive Letter option to select the drive letter you want to assign to the volume. Finally, confirm the change when prompted.

FIGURE 4.16 Selecting the Change Drive Letter And Paths option

Figure Shift And Letter Shift

In Exercise 4.3, you will edit the drive letter of the partition you created in Exercise 4.1. Since your computer has a CD drive, your hard drive partition is C: and your CD drive is most likely D: with the new partition you created in Exercise 4.1 defined as E:. In this exercise, you will modify your drive letter settings so that the partitions are C: and D: and the CD-ROM drive is E. If your computer is using a configuration that has more drives, you will need to modify the exercise based on your configuration. The goal of this exercise is to ensure that your volumes are defined as C: and D:.

EXERCISE 4.3

Continue reading here: Creating Spanned Volumes

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Readers' Questions

How to change optical drive letter?
Open the Run box by pressing Windows Key + R. Type “diskmgmt.msc” and press Enter. Find your drive in the list of available disks. It will usually be listed as “CD-ROM” or similar. Right-click on the optical drive and select “Change Drive Letter and Paths”. Click the “Change…” button and select a new letter from the drop-down menu. Click “OK” to save the changes.

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How to change entire SQL server location from C:\ program file to another drive?

one of my client was asked me to move entire program files folder from C:\ drive E:\ drive and change the all databases location to E:\ drive. They have copied entire program file folder through third party tool and pasted it on E:\ drive and they asked me to change path of databases and SQL installation to E:\ drive. Now how to change all databases paths and how to do this kind of activity? i know how to move system and user databases manually from one drive to another but i haven't face this king of scenario. Please suggest me how to do this task without any errors.

Hari Varma's user avatar

  • 4 Moving the SQL Server program files like that is both completely unsupported and pretty pointless. –  David Browne - Microsoft Commented Dec 20, 2018 at 16:04
  • 2 Backup all databases, uninstall, reinstall into a new location and restore the databases into a new drive. –  McNets Commented Dec 20, 2018 at 16:59

2 Answers 2

Trying to move a SQL Server installation in this manner is very dangerous, time consuming, and unsupported. If someone did this to my server I would not sleep well.

A better approach would be to:

  • Take note of exactly what service pack and CU level is running, and any non-default configuration items in SQL Server Configuration Manager
  • Backup all system and user databases
  • If you need to move user database files, detach the user databases and move the files
  • Uninstall SQL Server
  • Install SQL Server with the new drive configuration
  • Install service packs and/or cumulative updates to get to the version noted in step 1
  • Restore the master and msdb databases
  • Apply non-default configurations in SQL Server Configuration Manager
  • If the user database files have been moved, attach them

Please note that these are general steps and don't account for things specific to your environment, such as shutting down application servers, etc.

Tony Hinkle's user avatar

  • 1 This would be the equivalent of a server migration –  clifton_h Commented Dec 21, 2018 at 21:20

This is unnecessary. The C drive is the drive that Windows is installed on, and all programs’ binary files are stored here. Please do not confuse the SQL Server Instance binaries with the software for SQL Server. Most of the storage is related for the Instance and anyways, changing the software installation location can cause problems downstream. You are not an OS architect and your clients may only be concerned with the storage?

Instead, fulfill the concerns of your stakeholders by moving the SQL Server Instance to a new drive and leave OS operating system configurations to Microsoft.

The process will require downtime with some steps, but you can limit it if you have everything prepared ( use a test environment! Doesn’t have to be too fancy just to mimic the steps ). The following links/steps should be helpful:

system database

  • Move System Databases - Microsoft Docs

user databases and all log files

  • See Dave Pinal’s How to move SQL Server mdf and ldf files -blog.sqlauthority
  • or the Docs: Move User Databases - Microsoft Docs

Error log locations

  • See How to change SQL Server ERRORLOG location - Sqlandme

Agent log locaton

  • see How to change the sql Server Agent Log file path - mssqltips

Please note that primary log files and all master data files (mdf) require downtime to move.

clifton_h's user avatar

  • I am asking seriously. Can you really read from that sql"authority" site? I'd have a headache after a few minutes by all those ads and the fancy fonts. –  ypercubeᵀᴹ Commented Dec 21, 2018 at 21:29
  • Looks fine on my pc and mobile phone. I would guess your pc has a lot of ads that are shoving themselves on your page. Knowing the site, He uses content in the center and ads are to the right of content. And really, I have the doc link too –  clifton_h Commented Dec 21, 2018 at 21:31

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how to change drive letter server 2019

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Use the D: drive as a data drive on a Windows VM

  • 10 contributors

Applies to: ✔️ Windows VMs

If your application needs to use the D drive to store data, follow these instructions to use a different drive letter for the temporary disk. Never use the temporary disk to store data that you need to keep.

If you resize or Stop (Deallocate) a virtual machine, this may trigger placement of the virtual machine to a new hypervisor. A planned or unplanned maintenance event may also trigger this placement. In this scenario, the temporary disk will be reassigned to the first available drive letter. If you have an application that specifically requires the D: drive, you need to follow these steps to temporarily move the pagefile.sys, attach a new data disk and assign it the letter D and then move the pagefile.sys back to the temporary drive. Once complete, Azure will not take back the D: if the VM moves to a different hypervisor.

For more information about how Azure uses the temporary disk, see Understanding the temporary drive on Microsoft Azure Virtual Machines

Attach the data disk

First, you'll need to attach the data disk to the virtual machine. To do this using the portal, see How to attach a managed data disk in the Azure portal .

Temporarily move pagefile.sys to C drive

  • Connect to the virtual machine.
  • Right-click the Start menu and select System .
  • In the left-hand menu, search for and select View advanced system settings .
  • In the Performance section, select Settings .
  • Select the Advanced tab.
  • In the Virtual memory section, select Change .
  • Select the C drive and then click System managed size and then click Set .
  • Select the D drive and then click No paging file and then click Set .
  • Click Apply. You will get a warning that the computer needs to be restarted for the changes to take affect.
  • Restart the virtual machine.

Change the drive letters

  • Once the VM restarts, log back on to the VM.
  • Click the Start menu and type diskmgmt.msc and hit Enter. Disk Management will start.
  • Right-click on D , the Temporary Storage drive, and select Change Drive Letter and Paths .
  • Under Drive letter, select a new drive such as T and then click OK .
  • Right-click on the data disk, and select Change Drive Letter and Paths .
  • Under Drive letter, select drive D and then click OK .

Move pagefile.sys back to the temporary storage drive

  • Right-click the Start menu and select System
  • Select the OS drive C and click No paging file and then click Set .
  • Select the temporary storage drive T and then click System managed size and then click Set .
  • Click Apply . You will get a warning that the computer needs to be restarted for the changes to take affect.
  • You can increase the storage available to your virtual machine by attaching an additional data disk .

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How to Change a Drive Letter

Don't like the letters assigned to your drives in Windows? Change them!

how to change drive letter server 2019

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What to Know

  • Open Disk Management. Locate the drive you want to change. Right-click and choose Change Drive Letter and Paths > Change .
  • Select the drive letter you want to assign from Assign the following drive letter . Then select OK and choose Yes .

The letters assigned to your hard drives, optical drives, and USB drives in Windows are not fixed. Use the Disk Management tool in Windows to change drive letters. These steps apply to Windows XP and newer versions of Windows .

How to Change Drive Letters in Windows

Follow these steps to change the driver letters in any version of Windows.

You can't change the drive letter of the partition that Windows is installed onto. On most computers, this is usually the C drive.

Open Disk Management , the tool in Windows that lets you manage drive letters, among [many] other things.

In Windows 11/10/8, Disk Management is also available from the Power User Menu ( WIN + X  keyboard shortcut) and is probably the quickest way to open it. You can also start Disk Management from the Command Prompt in any version of Windows, but starting it via Computer Management is probably best for most of you.

Locate from the list at the top, or from the map at the bottom, the drive you want to change the drive letter of.

If you're not sure that the drive you're looking at is really the one you want to change the drive letter for, you can right-click or tap-and-hold the drive and then choose Explore . If you need to, look through the folders to see if that's the right drive.

Right-click or tap-and-hold the drive and choose Change Drive Letter and Paths .

Select Change .

If you've selected the primary drive by accident, some versions of Windows will display a message that reads Windows cannot modify the drive letter of your system volume or boot volume.

Choose the drive letter you want Windows to assign to this storage device by selecting it from the Assign the following drive letter drop-down box.

You don't need to worry if the drive letter is already being used by another drive because Windows hides any letters you can't use.

Select OK .

Choose Yes to the Some programs that rely on drive letters might not run correctly. Do you want to continue? question.

If you have software installed to this drive, it might stop working properly after changing the drive letter. See details on this in the section below.

Once the drive letter change is complete, which usually only takes a second or two, you're welcome to close any open Disk Management or other windows.

The drive letter is different from the volume label. You can change the volume label using similar steps .

If You Have Programs Not on the Main Drive

Changing drive letter assignments for drives that have software installed to them may cause the software to stop working. This isn't quite as common with newer programs and apps but if you have an old program, especially if you're still using Windows XP or Windows Vista, this is likely to be a problem.

Fortunately, most of us don't have software installed to drives other than the primary drive (typically the C drive), but if you do, consider this your warning that you might need to reinstall the software after changing the drive letter.

No Changes for the Operating System Drive

You cannot change the drive letter of the drive that the Windows operating system is installed on. If you'd like Windows to exist on a drive other than C , or whatever it happens to be now, you can make that happen but you'll have to complete a clean install of Windows to do it. Unless you have a pressing need to have Windows exist on a different drive letter, we don't recommend going through all that trouble.

Change, Don't Switch

There's no built-in way to switch drive letters between two drives in Windows. Instead, use a drive letter that you don't plan on using as a temporary "holding" letter during the drive letter change process.

For example, let's say you'd like to swap Drive A for Drive B . Start by changing Drive A's letter to one that you don't plan on using (like X ), then Drive B's letter to Drive A's original one, and finally Drive A's letter to Drive B's original one.

Using the Command Prompt

You can also change the drive letter from Command Prompt . It's not as easy as using Disk Management and you can't see right away which letters are available to choose, but it is completely doable with the diskpart command.

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Drive Letter Override in Azure VM creation

I created a Custom VHD with D: having 1 TB. But when I spin the VHD on an Azure VM, temp storage drive of the Azure VM overrides my 1 TB D: drive and becomes a 20 GB temp storage drive. I would like to know how I can have azure keep my drive letter and chose another drive letter for temp storage that comes with the Azure SKU.

  • azure-virtual-machine

Suraj Guptha's user avatar

See the following:

https://learn.microsoft.com/en-us/azure/virtual-machines/windows/change-drive-letter

Essentially, the D drive in Azure will always be the default drive when provisioning the new VM. Once the VM is created you can modify this. The above doc explains how to do that.

If you are looking for a more automated way to achieve this, you can use PowerShell once the VM is started

You could take that one step further and run the script via Custom Script extension once the VM has been created to automatically change the drive letter. Or create a startup script on the VM that does that same.

micahmckittrick's user avatar

  • It will persist across reboot and redeploys. Essentially it will stay the same as long as you don't have to re provision the OS, such as Sysprep –  micahmckittrick Commented Sep 20, 2019 at 14:31
  • i wouldnt be so sure, i've seen weird behaviours with dvd\temp drive on vms –  4c74356b41 Commented Sep 20, 2019 at 14:36

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how to change drive letter server 2019

IMAGES

  1. How To Change The Drive Letter

    how to change drive letter server 2019

  2. How to change drive letters

    how to change drive letter server 2019

  3. How to Reassign Drive Letters in Windows

    how to change drive letter server 2019

  4. How to assign permanent letters to drives in Windows

    how to change drive letter server 2019

  5. How to Change Windows Drive Letter

    how to change drive letter server 2019

  6. Windows Basics

    how to change drive letter server 2019

VIDEO

  1. How to Change Drive Letter in Windows 11/10

  2. How to Change Drive Letter in Windows 10 || Rename A Drive✅

  3. HOW TO CHANGE HARD DRIVE LETTER OR PATH IN WINDOWS 10

  4. Change Drive Letter to Hide Partition.mp4

  5. Computer में Disk Drive letter Change करें? #shorts #windows11

  6. How to Change Drive Letter in Windows 11?

COMMENTS

  1. Change a drive letter

    The following steps show how to change the drive letter. Open Disk Management with administrator permissions. In Disk Management, select and hold (or right-click) the volume on which you want to change or add a drive letter and select Change Drive Letter and Paths. Tip. If you don't see the Change Drive Letter and Paths option or it's grayed ...

  2. How do you change the CD/DVD Drive letter in Server 2019

    Ya it's pretty straight forward. diskmgmt.msc → right click CD drive → change drive letter and path → change. more powershell-y. if you want to be more specific you can look for ' drivetype = 5' which is the DVD

  3. change-a-drive-letter.md

    The following steps show how to change the drive letter. Open Disk Management with administrator permissions. In Disk Management, select and hold (or right-click) the volume on which you want to change or add a drive letter and select Change Drive Letter and Paths. [!TIP] If you don't see the Change Drive Letter and Paths option or it's grayed out, the volume either isn't ready to receive a ...

  4. Restore system/boot drive letter

    Find the drive letter you want to change to (new). Look for \DosDevices\C:. Right-click \DosDevices\C:, and then select Rename. Note. You must use Regedit instead of Regedt32 to rename this registry key. Rename it to an unused drive letter \DosDevices\Z:. It frees up drive letter C.

  5. Server 2019 not holding drive letter on removable backup drives

    USB drive gets drive letter that is currently in use. Windows. discussion , general-windows. 11. 153. April 15, 2016. I have plugged in a set of backup drives one by one and assigned drive letter J: to them in computer management. When I remove one and plug the next one in, it doesn't hold the J: assignment, assigns D: to it instead.

  6. Changing Drive Letters and Labels via PowerShell

    PowerShell does not have a cmdlet to change the drive letter or the caption directly. But the good news is that you can use WMI and the CIM cmdlets to change both the drive letter and drive label. The Windows management tools have cmdlets (Set-Partition and Set-Volume) to change the drive letter and the caption directly. But it is also good to ...

  7. How to change CD Drive's letter?

    1.-Ensure that the drive you're relettering isn't in use and that no files from that drive are open. 2.-Right-click on the Start button. 3.-Click Disk Management to open the Disk Management console. 4.-Right-click the volume that has the drive letter you want to change. 5.-Click Change Drive Letter And Paths.

  8. Can't Change Drive Letter in Windows Server

    Follow the steps below to change your drive letter: Step 1. Run EaseUS Partition Master, right-click the target partition, and choose "Change Drive Letter". Step 2. In the new window, click the down arrow and choose a drive letter for the partition from the drop-down menu, then click "OK". Step 3.

  9. Drive letter D: is not available

    I found a hint in Technet, and went to the registry: D: was listed so I deleted it - turns out it was assigned to the CD drive, but why that did not show up in Disk management I have no idea. In any case, I was then able to change the drive letter, and my CD drive came back up as G. I also ran DriveCleanup.exe based on another note: that gets ...

  10. Changing drive letters

    C:\ will remain, D: is currently the log drive and needs to be L:, E: is the backup drive and needs to be K: and F: is the data drive and needs to be W: I am not sure if attaching and reattaching will take care of all the stuff that needs to change. The main difference I see between moving to a new drive and renaming the existing drive is that ...

  11. Changing Drive Letters Issue

    Aug 29, 2018. #1. I just had to reinstall Windows 10 on a new SSD drive after a failure of my C: I still have things on multiple other drives that are organized a specific way, but after the new installation my drive letters are all wrong. I know how to go into Disk Manager to change drive letters but when I do it is SO slow.

  12. How can I change the drive letters for DVD / Bluray devices?

    Insert a Disk into that Drive. Right click your Start Button and choose Disk Management. Right click that drive and from the resulting menu, you should be able to change the drive letter. Please Note, it is not advised to use X in Windows that drive letter usually refers ro a network attached drive and using that drive letter can lead to ...

  13. Can I rearrange drive letters of my mapped network drives?

    Start → Run... (or just press Win + R) Type: "regedit". Navigate to HKEY_CURRENT_USER\Network\. There you will see a list of letters representing your mapped network drives. Right-click the one you want to change and select "Rename". Type your desired new drive letter and close RegEdit. Reboot.

  14. How to change drive letter from command prompt or powershell in windows

    So in your particular case (changing from D to E), you can use the following. Get-Partition -DriveLetter D | Set-Partition -NewDriveLetter E. Note also that you will need Admin Rights. So run PowerShell as Admin. answered Sep 23, 2015 at 23:43. nehcsivart. 744 7 12.

  15. Change drive letters on a shared drive- Server 2012

    I have already created a GPT drive with the directory structure, called J: for no good reason. And now finally, my question: The CTO wants me to go into the Windows Disk Management tool and. Remove the E: drive letter from the MBR drive. Remove the J: drive letter from the new GPT drive. Give the new GPT drive the E: drive letter.

  16. Do shares survive changes in drive letter?

    2. Yes the shares are associated with the drive letter and/or mount point. I have used a procedure similar to that in the past when moving to a different type of storage. I replicate the data, stop the server service, shuffle the drive letters or mount points around, and restart the Server service. You mention DFS, are you doing an DFS replication.

  17. Changing the Drive Letter and Paths

    This brings up the Change Drive Letter And Paths For Drive: dialog box, as shown in Figure 4.17. Click the Edit button to access the Edit Drive Letter Or Paths dialog box. Use the drop-down list next to the Assign A Drive Letter option to select the drive letter you want to assign to the volume. Finally, confirm the change when prompted.

  18. sql server

    Stop SQL Server instance. Move Model, MSDB, Tempdb and Master data and log files to the new location. Restart the instance of SQL Server. Make sure to enable service broker if DB Mail is already configured. Change the SQL Server Agent log path as well as the database default location path.

  19. How to change entire SQL server location from C:\ program file to

    Trying to move a SQL Server installation in this manner is very dangerous, time consuming, and unsupported. If someone did this to my server I would not sleep well. A better approach would be to: Take note of exactly what service pack and CU level is running, and any non-default configuration items in SQL Server Configuration Manager

  20. Drive letters switched after update and it's not possible to change

    and press Enter. (Note: This step may take a few minutes to start and up to 30 minutes to complete). Once you see a message saying "The operation completed successfully", copy and paste this command: Sfc /scannow. and press Enter. Wait for a message that says "Verification 100% complete". Then add this command:

  21. Make the D: drive of a VM a data disk

    Once the VM restarts, log back on to the VM. Click the Start menu and type diskmgmt.msc and hit Enter. Disk Management will start. Right-click on D, the Temporary Storage drive, and select Change Drive Letter and Paths. Under Drive letter, select a new drive such as T and then click OK. Right-click on the data disk, and select Change Drive ...

  22. How to Change a Drive Letter

    Locate the drive you want to change. Right-click and choose Change Drive Letter and Paths > Change. Select the drive letter you want to assign from Assign the following drive letter. Then select OK and choose Yes. The letters assigned to your hard drives, optical drives, and USB drives in Windows are not fixed.

  23. Drive Letter Override in Azure VM creation

    I created a Custom VHD with D: having 1 TB. But when I spin the VHD on an Azure VM, temp storage drive of the Azure VM overrides my 1 TB D: drive and becomes a 20 GB temp storage drive. I would like to know how I can have azure keep my drive letter and chose another drive letter for temp storage that comes with the Azure SKU.