also, is this on one wksta or multiple?
it looks like windows sees the drive different.

one could try to fix this by deleting the label keys from the registry...
say:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints

Remove the T key and reconnect the drive.

not sure does this help.
what more I think about this, it smells like a server thing.
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