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Tip- InProc session state was not working with IIS7.5

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In this post I am going to explain about reason for InProcsessionState was not working with IIS 7.5.

Problem:

Yesterday in one of my PCs I got updated IIS 7.5 and suddenly after updating the IIS my ASP.NET application session state stopped working. It was a very weird behaviour and after doing some R and D I have found that my worker process per application was more then one.

That was the reason for the  session state was not working as “InProc” session state is using IIS memory to manage sessions.  You can find more information about this in following link.

http://stackoverflow.com/questions/2147578/asp-net-session-state-and-multiple-worker-processes

Resolution:

There are two ways of resolving this problem.

1) You can use other session state mode like State Server or SQL server which supports multiple worker processes.
2) Set your maximum number of worker process to 1 in IIS 7/7.5 application pool advance settings.
I have changed the same and again it started working again.

That's it. Hope you like it. Sty tuned for more...

See Forrester’s Report, “Vendor Landscape, Application Performance Management” to identify the right vendor to help IT deliver better service at a lower cost, brought to you in partnership with BMC.

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Published at DZone with permission of Jalpesh Vadgama , DZone MVB .

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