I've not seen an answer that hits my issue on the head. I've got one computer out of 60 that will not map one network drive. It actually maps but never shows up in Windows Explorer. I can Y: in the run box and get to the network resource. Reboot doesn't help. I've used usbdeview tool to see if some usb device had taken the drive letter and was causing conflict - nope. I logged into computer as a different user and the same issue persists. Maps but not visible in explorer. I've even plugged a usd drive into the computer, picked the same letter that will not map, and the usb drive will not show up too. Seems like one letter will not map on this one computer.

Help?

  • Check whether a group policy that hides and/or prevents access to a specific drive letter is enabled. – and31415 May 8 '14 at 22:07
  • Thought about that, but then my other 59 machines in the same domain in the same OU would be in the same boat. – Chuck May 8 '14 at 22:28
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    Well. I went into local policy and checked "Hide these specified drive in My Computer" and it was set to not configured. I set it to disabled and the missing Y drive popped up in explorer. Domain policy should override local policy so I don't know how this got f-ed up. – Chuck May 8 '14 at 22:53
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    Probably there was a NoDrives registry value located at HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer. Check if the issues reappears, and eventually use a monitoring tool such as Process Monitor to catch whatever is accessing the registry path mentioned before. – and31415 May 8 '14 at 23:03
  • Check the registry hack provided here: superuser.com/questions/751428/… – obeliksz May 21 '15 at 11:07

and31415 solution worked for me.

Probably there was a NoDrives registry value located at HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer. This worked for me, I just change the name to NoDrives_old. Log off and on and the drive mapped for me.

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