Since we installed a new switch out at this customers site some of the
users are having a problem getting their drives mapped. Periodically they
are getting a "The specified server is unknown." error message in their
login script results screen.

(I have renamed the clients info to generic Novell)

Login Results Screen:

FS_CLUSTER
LOGIN-LGNWNT32.DLL-890: The specified server is unknown.
Your current context is SERVERS
User: admin Context: SERVERS
Your current tree is: NOVELL
You are attached to server FS1.
FS_CLUSTER
LOGIN-LGNWNT32.DLL-890: The specified server is unknown.
LOGIN-LGNWNT32.DLL-430: The following drive mapping operation could not be
completed.
[ROOT G:=FS_CLUSTER/VSVOL1:\SHARED]
The error code was 8884.
LOGIN-LGNWNT32.DLL-890: The specified server is unknown.
FS_CLUSTER
LOGIN-LGNWNT32.DLL-890: The specified server is unknown.
LOGIN-LGNWNT32.DLL-430: The following drive mapping operation could not be
completed.
[ROOT M:=FS_CLUSTER/VSVOL1:\APPS\WIN2KAPPS]
The error code was 8884.
FS_CLUSTER
LOGIN-LGNWNT32.DLL-890: The specified server is unknown.
LOGIN-LGNWNT32.DLL-430: The following drive mapping operation could not be
completed.
[ROOT N:=FS_CLUSTER/VSVOL1:\APPS\DOSAPPS]
The error code was 8884.
LOGIN-LGNWNT32.DLL-740: This utility could not execute external program
\\FS_CLUSTER\VSVOL1\PUBLIC\NALEXPLD.EXE.
FS_CLUSTER
LOGIN-LGNWNT32.DLL-890: The specified server is unknown.
LOGIN-LGNWNT32.DLL-430: The following drive mapping operation could not be
completed.
[ROOT J:=FS_CLUSTER/VSVOL1:\INFORMATION TECHNOLOGY SERVICES]
The error code was 8884.
FS_CLUSTER
LOGIN-LGNWNT32.DLL-890: The specified server is unknown.
LOGIN-LGNWNT32.DLL-430: The following drive mapping operation could not be
completed.
[ROOT W:=FS_CLUSTER/VSVOL1:]
The error code was 8884.


From what I am being told, users who have set their computers to the new
option of 1gb speed are having the problem. If they reduce their speed to
100mbit they do not experience it. I have not verified this. This server
was experiencing something like this previously, but the error was "Access
is denied" in the login script. I do know if they are related or not.

I used a sniffer program on my laptop and recreated the error.

FYI, the DNS server is the same as their authentication server. Its all
apart of a 2 node cluster.

In the traffic capture it looks like the workstation is trying to get DNS
resolution for "FS_CLUSTER" which in the DNS server resolves
to "cluster51.lan.novell.net". That finally resolves to the ip address of
the server "xx.xx.xx.38".

The login script is using \\FS_CLUSTER\ as its mapping format for all
drive mappings.

Could it be the multiple name resolutions to get to the IP that is causing
this problem?