Report Server has encountered a SharePoint error. ---> Microsoft.ReportingServices.Diagnostics.Utilities.SharePointException: Report Server has encountered a SharePoint error. ---> Microsoft.SharePoint.SPException: The user does not exist or is not unique. ---> System.Exception: For more information about this error navigate to the report server on the local server machine, or enable remote errors in SharePOint 2013 This is error accouring because of Anonimous access to the Microsoft Reporting Services. According to the Microsoft ; Microsoft Reporting Service not supporting annonimous access for integrated mode. Ref: https://msdn.microsoft.com/en-us/library/bb283324.aspx#Anchor_4 So you might be wondered how you can archive this. Option One Simply you can dissable the Anonimous access from IIS. But this wont work if you really want anonimous access in your farm. For an Example If are hosting internet site with integration mode public reports you can not dissable the anon...
MELICK RAJEE BARANASOORIYA | Enterprise Architect