Hi Doug, This is may be irrelevant but your problem could be that you're running out of SMB file handles. Win2k has a default limit of 2096 (?) SMB file handles that can be open on a server. Check out Microsoft technote 818528. This describes a registry hack that ups the number of file handles to 2096 per user. It's interesting to note that this used to be settable in NT 4 TSE, just one of the many TS tweaks lost in win2k :-( Anyway, if you add the following to your machine configuration policy template it'll do the trick for you. POLICY "Set Multi-user Data Structures" KEYNAME "SYSTEM\CurrentControlSet\Services\MRxSmb\Parameters" PART "Enable multiuser data structures (KB818528)" CHECKBOX VALUENAME "MultiUserEnabled" VALUEON NUMERIC 1 VALUEOFF NUMERIC 0 END PART END POLICY ; multi-user data A reboot will be required. regards, Rick Ulrich Mack Volante Systems ________________________________ From: thin-bounce@xxxxxxxxxxxxx on behalf of Stratton, Doug ISMC:EX Sent: Tue 14/03/2006 5:13 To: thin@xxxxxxxxxxxxx Subject: [THIN] Off topic? W2k Server CMFPS For the last few weeks we have had this problem pop up out of nowhere. Can't map drives to a random server\share. Does not seem to be a specific server\share that fails from week to week. When we try to connect to an existing mapped drive we get (for example) H:\ is not accessible. The device does not recognize the command. I can ping the server\share. Just can't map to it. I can map to it from another server. Any idea's? Only solution we have come up with is to reboot the citrix server. Thanks Doug Stratton Technology Engineering Services - Citrix Shared Services BC, ISM Canada Telephone: 250-704-1861 Fax: 250-704-1889 E-mail: <mailto:stratton@xxxxxxxxxx> ##################################################################################### This e-mail, including all attachments, may be confidential or privileged. Confidentiality or privilege is not waived or lost because this e-mail has been sent to you in error. If you are not the intended recipient any use, disclosure or copying of this e-mail is prohibited. If you have received it in error please notify the sender immediately by reply e-mail and destroy all copies of this e-mail and any attachments. All liability for direct and indirect loss arising from this e-mail and any attachments is hereby disclaimed to the extent permitted by law. #####################################################################################