The following data source cannot be used because PerformancePoint Services is not configured correctly. Data source location: ...

The following data source cannot be used because PerformancePoint Services is not configured correctly.

Data source location: %1
Data source name: %2

Monitoring Service was unable to retrieve a Windows identity for "%3".  Verify that the web application authentication provider in SharePoint Central Administration is the default windows Negotiate or Kerberos provider.  If the user does not have a valid active directory account the data source will need to be configured to use the unattended service account for the user to access this data.

Exception details:
%4