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terminal server drops local network connection

Posted on 2014-07-16
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Last Modified: 2014-10-22
I have a Windows 2008 standard terminal server which keeps dropping the local (internal) connection to an SBS 2011 server and PCs on the network. There are no issues between PCs and the SBS server.

Rebooting the server solves the issue but will drop connections anything between two hours and 24 hours!! This only happens internally never when users are connecting via terminal services.

The server hosts an SQL database which is used by users to access both internally and externally.
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Question by:Bufferstop
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Natty Greg earned 2000 total points
ID: 40324586
Check the NiCs on the internal side, check for driver update and signs of bad nic

update

1. Update the nic firmware and drivers to the latest version recommended by your server manufacturer. For other server brands there are similar procedures.

2. Apply all critical windows updates and service packs that are available for your TS server's operating system version.

3. Disable some of the advanced tcp/ip features on your server:

Information about the TCP Chimney Offload, Receive Side Scaling, and Network Direct Memory Access features in Windows Server 2008

http://support.microsoft.com/kb/951037

4.  Test by installing and using a new network interface card into your server, preferrably a different make/model than the card or built-in chipset you are using now.  For example, if your current card is based on a Broadcom chipset, try putting in a card based on a Intel chipset.

5. Test by plugging your server into a different port on your switch and/or a completely different switch.   You can try a different patch cable as well.

6. If there are any routers or other networking devices between the terminal server and the sql server you may need to consider updating or replacing them.
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by:Bufferstop
ID: 40396657
Having replaced the switch with a new one. It came a shock to find the replacement switch was also faulty.

When I replaced this for the third time all worked.
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Author Closing Comment

by:Bufferstop
ID: 40396659
I didn't think I would have to replace a new switch with another new switch. I have never had two new switches go now at the same time. Your reply help me sort it out.
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