I am getting a bizzare error on a Windows XP workstation with Client 4.91
SP2 with patch pack C:

"LOGIN-LGNWNT32.DLL-400: A network drive cannot be mapped to a drive that
is designated as a local drive.
[ROOT H:=]"

The container login script is trying to deliver a home directory mapping
via this command:

map root h:=%HOME_DIRECTORY

As per tid (10015081) the user has rights to the directory in question and
it is listed in their environment tab, verified with effective rights.
There are physically only a C and D drive in the machine, certainly no H.
The server is 6.5 sp 5 and is not clustered.

Other users in the container work with the same script.

Any ideas?