"Disconnected" phantom B: drive causing problems

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On one of our servers, a drive mapping has suddenly appeared (across all users). The drive mapping is invalid, and is causing spurious error and warning messages. It is a mount to "B:" (which is hard to produce in any circumstance). An attempt to "disconnect" the network drive results in the error message:

"B:, connected to =, could not be disconnected because an error has occurred: This network connection does not exist."

Does anyone know either (1) what might have caused such a strange mapping (so that we can prevent it in future) or (2) how to get rid of the phantom mapping? I have not tested if it persists across a re-boot, simply because this is a large production server that we can only reboot on weekends.

The server is running Windows Server 2012 Standard.

Some other details: there is no entry in either HKCU\Network or HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2 corresponding to this mount - nor would I expect there to be, because the mount is across all users.

Thanks.

David I. McIntosh

Posted 2016-09-30T01:05:40.133

Reputation: 224

I get this too on Windows 10 Pro. Some software might think drive B: is a floppy drive – UbuntuForums_Staff_Are_Trolls – 2017-08-25T22:12:52.013

Your last name is McIntosh, you should switch to Apple lol – UbuntuForums_Staff_Are_Trolls – 2017-08-25T22:13:49.537

Command line doesn't work either

net use /delete S The network connection could not be found.

More help is available by typing NET HELPMSG 2250. – UbuntuForums_Staff_Are_Trolls – 2017-08-25T22:16:15.210

No answers