When antivirus software scans the virtual directory of a Web server application like the OnBase Web Server, this scanning may cause the application to restart. As a result, users currently logged on to the application lose their sessions, and the application becomes unresponsive. For OnBase applications, the OnBase Event Log records the Application End and Application Start events, which are followed by a series of errors. The Diagnostics Console logs the message: Failed to get session for session id.
The recommended solution is to disable antivirus software from scanning the server's virtual directories as well as the ASP.NET Temporary Files in the following locations:
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32-bit installations:
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files
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64-bit installations:
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files
The Microsoft Knowledge Base describes this issue in greater detail. For more information, refer to the following articles:
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http://support.microsoft.com/kb/821438
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http://support.microsoft.com/kb/312592/en-us?spid=8940&sid=global
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http://support.microsoft.com/kb/316148/EN-US/