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SharePoint 2013 – ‘HTTP 500 Internal Server Error’ while trying to browse to a SharePoint site

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Users will receive an error ‘HTTP 500 Internal Server Error’ while trying to browse to a SharePoint site using Claims-based authentication.

The following error message under the event viewer on the SharePoint server

Log Name : Application

Source : Microsoft-SharePoint Products-SharePoint Foundation

Date : <Date and Time>

Event ID : 8305

Task Category : Claims Authentication

Level : Error

Keywords:

User : domain name\username

Computer : servername

Description :

An exception occurred when trying to establish endpoint for context: An error occurred loading a configuration file: Either a required impersonation level was not provided, or the provided impersonation level is invalid.

CAUSE:

The Application pool account was missing the “Impersonate a client after authentication” user right.

We can resolve this issue by following this

1. Go to Start – Administrative tools – Local Security Policy – Local Policies – User Right Assignments – Impersonate a client after authentication properties
 
2. Add the Application Pool account for the site which is not working

3. Reboot the server, so the changes can take effect

4. Browse the site and it should work fine.

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One thought on “SharePoint 2013 – ‘HTTP 500 Internal Server Error’ while trying to browse to a SharePoint site

  1. Saved my day… Thanks a lot 🙂

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