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 SQL Server Administration (2005)
 TCP / IP Error
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sanjay5219
Posting Yak Master

207 Posts

Posted - 11/20/2013 :  12:22:00  Show Profile  Reply with Quote
Hi All,

All of sudden my application started giving error "Instance Not Found".WhenI checked found that TCP/IP was disabled.

Any idea how it got disabled

Please suggest

raghuveer125
Constraint Violating Yak Guru

India
283 Posts

Posted - 11/21/2013 :  01:46:28  Show Profile  Reply with Quote
Hi,
I don't think it will automatically disable.

Could you please answer below question to investigate more:
1) Recently any windows or SQL patch applied on server.
2) Installed any antivirus software on server where is SQL services is running.
3) Application is running on LAN connection or outside the LAN.
4) Any one changed instance name?
5) Try to find error which may be logged on event-log.




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