I upgraded to Windows 8.1 a little while ago and have run Windows Update recently.  For the most part, things seem to be working fine. 
One issue that I have noticed is that one of my mapped drives keeps duplicating.  This seems to happen after every restart, or shutdown.
I have Hyper-V set up and I mapped drive T:\ to a folder on that drive.  It has been working fine for a year.
After getting the latest update for Windows 8.1, when I go into File Explorer, I will see that drive listed as all other available drive letters as well as drive T:\.
I can disconnect them, but it is a pain to have to do that over and over - I cannot map other drive letters to other folders if they are in use.  I need to do that periodically for testing client issues.
I have searched the forums and did not find any open threads for this.

It is a standalone workstation that is networked with other computers but it is not on a domain.  This is the only other computer I use all the time that has Windows 8.1 installed.

Please help.

Hi,

You can try clean boot to determine if a 3rd party software causes this issue.

If this is not the cause, I suggest you modify the registry value of mapped drivers to see if this issue persists:

HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Map Network Drive MRU then delete the duplicated drive path.

If this issue persists, please try another user account for test.

Regards,

Yolanda

Hi,

You can try clean boot to determine if a 3rd party software causes this issue.

If this is not the cause, I suggest you modify the registry value of mapped drivers to see if this issue persists:

HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Map Network Drive MRU then delete the duplicated drive path.

If this issue persists, please try another user account for test.

Regards,

Yolanda

Hi,

How did you map the drive, with Map network drive or net use command?

Have you tried "net use /delete" from command prompt?

And I also suggest you remove all the mapped network drives, then re-map for a test.

Regards,

Yolanda

Hi,

How did you map the drive, with Map network drive or net use command?

Have you tried "net use /delete" from command prompt?

And I also suggest you remove all the mapped network drives, then re-map for a test.

Regards,

Y

Net use /delete did remove the duplicated drives once but they have shown up again. 

I will try removing all and remapping the necessary drives soon.  I will let you know the results.

Net use /delete did remove the duplicated drives once but they have shown up again. 

I will try removing all and remapping the necessary drives soon.  I will let you know the results.

Net use /delete did remove the duplicated drives once but they have shown up again. 

I will try removing all and remapping the necessary drives soon.  I will let you know the results.

Now, today, after another Windows update, it is taking over some other drives. 

Example:  I have drive I:\ mapped to the virtual machine\my username\My Documents\My Backups.  When I opened the drive today, it was pointing to the virtual machine\a different folder.  I had to disconnect it and then when I remapped it, everything is fine.

It also did that to my V:\ drive and my W:\ drive - which are both mapped to different folders on the virtual machine.

This just seems to be getting worse with every update!

Now, today, after another Windows update, it is taking over some other drives. 

Example:  I have drive I:\ mapped to the virtual machine\my username\My Documents\My Backups.  When I opened the drive today, it was pointing to the virtual machine\a different folder.  I had to disconnect it and then when I remapped it, everything is fine.

It also did that to my V:\ drive and my W:\ drive - which are both mapped to different folders on the virtual machine.

This just seems to be getting worse with every update!

This issue is still happening.  I have done all the suggestions - net use delete, disconnect all drives and remapp - I did this twice, once using net use and once using Map Network drive, I even rebooted in between disconnecting the drives and adding them again.

It does not seem to be related to a restart at all.  And it isn't just duplicating the Hyper-V drives. 

I don't know if this is related but the other day, after another Windows update, it wasn't finding any of my computers on the network.  When I clicked on the Network folder, there was nothing there and when I refreshed (F5 or right click), none were found.  This has since corrected itself but keeps happenning from time to time.

I think it is riduculous that this is happenning.  If Windows 8.1 doesn't know how to deal with mapped drives, what else is going on????

I could really use some help here, or at least tell me if it is going to be fixed soon.  Please!