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Posting Yak Master

240 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

Constraint Violating Yak Guru

285 Posts

Posted - 11/21/2013 :  01:46:28  Show Profile  Reply with Quote
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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