Error message 401.2.: Unauthorized: Logon failed due to server configuration. When application deployed

Question

I have an asp.net 4.0 application that works fine running under cassini but when i deploy to IIS i get the above error. It is running under the Default App pool which a numb

Answer 1

I had a similar issue and resolved it by setting optimizeCollections to false in web.config and immediately reverting the change after verifying that it worked.

  
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Perhaps the same thing could have been achieved by deleting asp.net temp folder..