From: esquel@sommarskog.se   
      
   Query Builder (querybuilder@gmail.com) writes:   
   > We are in the process of migrating our SQL 2008 R2 Enterprise Edition >   
   environment to a new SQL Server 2012 Enterprise Edition.   
      
   What does "SELECT @@version" report for the new server?   
      
   > The function returns fine most of the time, but at intermittent times,   
   > its giving me the following error:   
   >   
   >   
   > Msg 6522, Level 16, State 1, Line 3   
   > A .NET Framework error occurred during execution of user-defined routine   
   > or aggregate "":   
   >...   
   > We have played with PERMISSION_SET to be SAFE EXTERNAL_ACCESS and also   
   > switched the trustworthy Property on the database.   
      
   So what was the permission set of the assembly originally?   
      
   Assuming that it was SAFE, the fact that you get a stack dump indicates a   
   bug in SQL Server - or a hardware problem like bad memory board. In this case   
   you should verify that you have the most recent Service Pack installed. If   
   that does not resolve the issue, open a case with Microsoft that can   
   analyse the stack dump.   
      
   If you have an unsafe assembly, you better do your homework before you   
   open a case.   
      
   --   
   Erland Sommarskog, Stockholm, esquel@sommarskog.se   
      
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