Error generating a report: HTTP Error 401 – Unauthorized

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Error generating a report with the following message:
HTTP Error 401 – Unauthorized. Provide another credentials or change security settings in Internet Explorer. 

The issue may be caused by enabled IE Enhanced Security Configuration on the SQL Server end.

Please turn off IE Enhanced Security Configuration to resolve the issue:

  • Click Start, run Server Manager.
  • Click Configure this local server.
  • on the right from IE Enhanced Security Configuration click On.

  • in the configuration window choose Off for Administrators and Users
  • Click OK.

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