SQL Server stops listening

  • Our Production SQL Server recently out of blue stopped listening to any new connections. I tried to telnet to the port 1433 and found that the telnet was failing, but I could connect to the server using named pipes, then we restarted the machine, but I was unable to telnet to that port.

    Then I changed the listening port to a different number and then restarted the SQL Server and it worked.

    This happened againg last week after a month or so.

    I was not able to find any errors in the log files.

    Does anyone have an idea what may be wrong?

    Thanks

    Ravi.

  • Sounds like there's wax in the network card. Take an ear bud and give it a clean.

    Sorry, a VERY lame attempt at humour. It's late

    Cheers,

    Crispin

    Cheers,CrispinI can't die, there are too many people who still have to meet me!It's not a bug, SQL just misunderstood me!

  • Starting with the card isnt a bad idea - but did you lose total connectivity, or SQL just stop listening - could you still ping the box?

    Andy

    http://www.sqlservercentral.com/columnists/awarren/

  • I was able to ping and the machine was in a running state. I could open the Enterprise manager and view all the data etc.

    Ravi.

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