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Exchange 2013: All Tests are failing “The remote server returned an error: (500) Internal Server Error.”


On one of the Exchange 2013 Server out of 4 Exchange 2013 servers all tests were failing.

No change after IISreset

No change after server restart

Here are the test screenshots

Test-ActiceSyncConnnectivity failed

WinRM with start failing

Test-webservicesconnectivity failed

In verbose mode I got “The remote server returned an error: (500) Internal Server Error”

Test-outlookwebservices failed


Open IIS à Default web site à Active Sync and browse and I got below message. HTTP Error 500.19 Internal Server Error.



Misconfiguration on c:inetpubwwwrootWeb.config



Fixing the web.config file.

We have to remove the below text.


<remove statusCode=”403″ subStatusCode=”-1″ />
<error statusCode=”403″ prefixLanguageFilePath=”%SystemDrive%inetpubcusterr” path=”403.htm> responseMode=”File” />


Web.config post removal of the wrong text. 

You need to verify the working server’s web.config and remove extra text which could be some mis-configuration on IIS. So basically IIS was not responding here.

Now test-webservicesconnectivity got success.



Prabhat Nigam

Microsoft MVP | Exchange Server


2 Responses to “Exchange 2013: All Tests are failing “The remote server returned an error: (500) Internal Server Error.””

  1. Leo Poldolo Says:

    Its such as you learn my mind! You appear to understand so much approximately this, such as you wrote the guide in it.
    That is great blog. A fantastic read. I’ll certainly be back.

  2. Sachin Arora Says:

    Awesome article Prabhat. Thanks.

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