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iissharepointwebformswindows-server-2012windows-server

VBC.exe compilation error in IIS 7

We have got below error when we are accessing our ASP.NEt WebForms applications which is hosted in IIS 7 but the MVC Application is working though:

c:\windows\system32\inetsrv> "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe

we already tried restarting our server and changing app pool current user but still no good result.

Solution

  • Ok what we did is below from Microsoft:

    Known issue for security updates 3098779 and 3097997 for the .NET Framework 4.5.1 and 4.5.2 after you install the .NET Framework 4.6 on Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2

    What we did is the solution 2 which is to remove KB3098779 and KB3097997 in the windows update in our windows 2012 server and everything's back to normal.