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Exchange 2010: Uninstallation Breaks Other Application

We moved one of the customer to our private cloud and Decommissioned the Exchange server.

Now a Web application which was installed on the same server stopped opening on the browser. We were browsing the application url and it was not opening anything.

Issue:

Application website stopped opening after uninstalling Exchange server.

Resolution:

-Tried to reset application pool but no luck.

-Tried IISreset but no luck.

-Tried to restart server but no luck.

-Tried to open website locally but no luck.

-Checked the IIS logs but no luck

-Checked event viewer and identified that Event id 2280 with the following description

The Module DLL E:\Program Files\Microsoft\Exchange Server\V14\Bin\kerbauth.dll failed to load.  The data is the error.


-Now it was simple. Search for Kerbauth.dll and update the path of Kerbauth.dll.

-We searched for Kerbauth.dll but could not find one on the server.

-Copied kerbauth.dll from another Exchange 2010 and pasted to a server location.

-Opened the applicationhost.config file from C:\windows\system32\inersrv\config and look for Kerbauth then updated the path where we copied Kerbauth.dll

<add name=”kerbauth” image=”C:\Program Files\Microsoft\Exchange Server\V14\Bin\kerbauth.dll” />


-Issue fixed.

Conclusion:

Do not install Exchange and any other application on the same server.

Prabhat Nigam

Microsoft MVP | Exchange Server

Team@MSExchangeGuru

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