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Small Business Server Support Forum    
Forums > Microsoft Small Business Server 2003 & 2000 > Workstations
Subject: Losing authentication with SBS2003 server
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Travis Sinquefield User is Offline
United States
Member since
4/19/2006

Registered Users
Posts: 32
3/03/2008 04:08 PM  
Hello all,
 
I am having an issue where it seems that several client computers (running WinXP SP2) are losing connectivity and authentication with my SBS2003 server. It seems to happen in the overnight hours, because when I come in first thing in the morning I can't access my network drives on the server, nor will it let me connect to the server through My Networks. 
 
This is only happening on 2 machines. If I log off, then log back in, then I can access everything, but not until then. Outlook works fine with Exchange server even if I can't access the server drives.
 
There error I get is:
"The system detected a possible attempt to compromise security. Please ensure you can contact the server that authenticated you."
 
I haven't made any recent changes to the server. The only network change was replacing the LAN router. 
 
Any ideas?
 
Thanks,
Travis
Travis Sinquefield User is Offline
United States
Member since
4/19/2006

Registered Users
Posts: 32
3/04/2008 07:42 PM  
Also, I am losing my connections for the network printers also - they are connected to other computers and shared on the network.
Marina Roos User is Offline
The Netherlands
Member since
3/24/2005

Microsoft MVP
Posts: 12523
3/07/2008 02:38 AM  
Hi Travis,
 
Please, post an ipconfig /all from the server and a workstation. Open a command prompt by opening Start -> Run from the Start Menu and type cmd. From the command prompt type ipconfig /all >ip.txt. Attach this file to your answer.
Marina Roos Smallbizserver.Net AdministratorMission accomplished. We have joined the branch office to our SBS 2003 Headquarters and have the same user experience on the branch office as we have on our local  network at the Headquarters. Want to know how? Signup up for a subscription and get instant access to the article series 'How to add an additional Domain Controller from a remote office to the SBS domain'
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Forums > Microsoft Small Business Server 2003 & 2000 > Workstations > Losing authentication with SBS2003 server


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