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500 Errors in IIS Logs Preventing DB Connections - See Errors

474344Mar 1 2011
Issue: A handful of users connecting to our database via IIS web page are saying they are getting "page cannot be dispalyed" error message as soon as they try to access the web page and make the initial database connection. I am seeing a significant number of 500 errors in the IIS logs. We turned tracing on for more details and came across th following two errors:

The first error -
Module Name : IIS Web Core
HTTPStatus : 500
HTTPReason : Internal Server Error
HTTPSubStatus: 0
ErrorCode : 2147943395
ErrorCode : The I/O operation has been aborted because of either a thread exit or an applicaiton request.

The second error -
ErrorCode : 2147943629
ErrorCode : An operation was attempted on a nonexistent network connection.

Specs: IIS 7 Windows 2008 64 Bit .NET 3.5 Service Pack 1 OO4O Connection version 10.2 Oracle 11G DB

Historically when seeing 500 errors in the logs it indicated a database issue - that was pretty obvious once we researched it further. These errors aren't quite as "clear cut". Any suggestions?
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Locked on Mar 29 2011
Added on Mar 1 2011
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