Have you checked to the autodisconnect setting on the server?
Take a look at the following KB article as it may apply in this case:
Mapped Drive Connection to Network Share May Be Lost WGID:358
ID: 297684
http://support.microsoft.com/?id=297684
--------------------
>From: "Hngil.Rishra" <(E-Mail Removed)>
>Subject: network problem
>Date: Sat, 17 Apr 2004 08:23:40 +0530
>We have windows 2000 server. We are facing problem that our server is being
>disconnected at any time at any situation.
>
>This is happening from any OS from any computer [New or Old].
>
>Sometimes we do repair network connection and relog and works but there is
>no such option in other OS.
>
>What could be the solution to resolve the problem?
>
>pandey
>
>
>
--
Sergio Moreno
Microsoft Windows Networking
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