How to Change Drive Letter on Windows 2003

Hi
I took a backup with Acronis of a 2003 server and I convert the image on a vhd drive and I attached it to a Hyper V running under 2012 server.
Everything looks good except on the physical server I use to have C: and E: drive as partitions and now afer I boot on Hyper V as a VM I have C: and D:
My problem is that I have an app runing on that server that has tons of paths coded on that refer to E:\ not D:\
I need to change the drive letter.
Now when I go to Disk Manager all it show is one Drive with the partitions on. There is no Drive letter for each partion except for the CD Rom.
If I right click on the partion I want to change and chose change drive letter I get an error message that say "The operation did not complete. Check the event viewer.
I have the same on both the original and the VM server.
Any Idea how else I can change the Drive letter?
LVL 2
infedonetworkAsked:
Who is Participating?
 
infedonetworkConnect With a Mentor Author Commented:
Got it.
hkey_local_machine\system\mounteddevices
rename dosdevices\d: to dosdevices\e:
0
 
SolracMCommented:
have you tried the DISKPART from the command prompt?
0
 
infedonetworkAuthor Commented:
Yes but for some reasons under list volume it shows only the cd rom even if I already list and chosed the proper partition
0
 
noxchoGlobal Support CoordinatorCommented:
Have you fixed it? The missing drive letters is an old known problem I had to resolve and share the solution with Microsoft :)
0
 
noxchoConnect With a Mentor Global Support CoordinatorCommented:
In case if you still need it:

Start Windows - press Start - run - type regedit and press ok/enter.
Then find the following key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Class\{4D36E967-E325-11CE-BFC1-08002BE10318}
There you will need to select Edit - New - Multi-String Value.
Rename it to UpperFilters. Then right click on this value and select Modify. Type PartMgr.
Quit and then restart Windows.
Since then the drive letters will be in WDM.
0
 
infedonetworkAuthor Commented:
I fix it with based on the description I give but your could also work
0
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

All Courses

From novice to tech pro — start learning today.