IIS fails to load application pool after removing exchange

After decomissioning Exchange server you cannot run other applications on IIS, and application pools fail with the following message in the logfiles:

Het DLL-bestand C:\Program Files\Microsoft\Exchange Server\V14\Bin\kerbauth.dll van de module is niet geladen. Het gegevensveld bevat het foutnummer.


  • Stop the IIS Service
  • Navigate to c:\windows\system32\intesrv\config and edit the file applicationhost.config
  • Remove the line outlined below
  • Restart the IIS Service

Locate, and delete the following line. After all 🙂 Exchange was uninstalled wasn’t it.

<add name="kerbauth" image="C:\Program Files\Microsoft\Exchange Server\V14\Bin\kerbau