Client application losing connectivity with database/server

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Client application losing connectivity with database/server

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lema-922661

Posted Monday, October 15, 2012 12:13 PM

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Last Login: Thursday, February 21, 2013 8:08 AM
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Hello,

We are having an issue with our financial application client where users are being kicked out and seemingly random times doing totally different work. The database is on SQL server 2005 and windows server 2003. I can't think of anything that has changed to link in with this problem occuring.

We are haviing trouble pinpointing the problem as we cannot recreate it and cannot see a pattern of when it occurd but it is now daily. The messge normally relates to a TCP/IP connectivity problem and we have checked network settings but it was not fruitful.

I realise this could be a windows or network issue but I would like to ensure I have checked all I can Sql side. I was hoping for advice on what I could run or monitor to help both work out exactly when the connectivity is lost and also what might causing this problem.

Any assistance would be greatly appreciated.

Kind regards,

Lydia

Post #1372873

simon4132-806507

Posted Monday, October 15, 2012 2:54 PM

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Last Login: Thursday, October 25, 2012 12:13 AM
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Hi,

If you are getting tcp/ip issues on the client then this would indicate that it is more of a network issue rather than a db issue.

If you are using a web app as the client on windows 2003 make sure that you are not running out of ephemeral ports on the client which can happen if you have nested loops.

Thanks
Simon

Post #1372950

Bhuvnesh

Posted Tuesday, October 16, 2012 5:36 AM

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lema-922661 (10/15/2012)

I realise this could be a windows or network issue but I would like to ensure I have checked all I can Sql side.

How did you check ? run sp_who2 whenever anyone experience some problem and also you can run profiler trace with minimal event selection like "blocking" for some time to check the Sql server

-------Bhuvnesh----------
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