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2008 SBS Network loses Internet every few days, odd things in Server logs

Posted on 2011-03-24
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Last Modified: 2012-05-11
Hi All,

Got a 2008 server which keeps dropping it's internet connection (and therefore everyone connected to the domains internet connection).

On the days this happens I get the following events appear in the event log:

Windows Sharepoint Services 3   3760
Event Details: SQL Database "Sharepoint_Config_29c26fca-17b8-48c1-9704-b869932abcb6" on SQL Server instance "np:\\pipe\MSSQL$Microsoft##SSEE\sql\query" not found. Cannot open database  "Sharepoint_Config_29c26fca-17b8-48c1-9704-b869932abcb6" requested by the login. The login failed. Login failed for user "NT AUTHORITY\NETWORK SERVICE".

TaskScheduler   101
Event Details:  Task Scheduler failed to start "\Microsoft\Windows\CertificateServicesClient\SystemTask" task for user "NT AUTHORITY\System". Additional Data: Error Value 2147750692

Additionally today OWA seemed to fail and on checking IIS it seems the Web Applications website had stopped and the bindings had got messed up, even the default certificate for Web Applications had changed to the wrong one.

Can anyone please tell me if these errors could cause the random internet drop outs?  And if so how do I fix this?

Thanks

Adam
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Question by:amlydiate
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by:
Cliff Galiher earned 500 total points
ID: 35210596
I don't think one is *causing* the other, but more accurately both the network connections getting dropped and the errors you posted are symptoms of another as-of-yet undetermined cause.

This sounds like Active Directory issues, maybe the netlogon service is stopping, and there are some common culprits:

1) Sadly, malware.

2) Even more sadly, a misbehaving A/V product that should be protecting you from #1, is causing as many problems as a virus itself would.

3) Failing Disk/controller (RAID card)

4) Failing RAM (servers should always have ECC RAM to prevent these types of errors)

HTH,

-Cliff
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Author Closing Comment

by:amlydiate
ID: 35468639
Option 2 was the winner! Many thanks
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