KNOWLEDGE BASE

Error "Failed to enable authentication privilege" When Connecting to MSSQL or MSAS with Kerberos Authentication


Published: 21 Jan 2015
Last Modified Date: 13 Mar 2017

Issue

When attempting to connect to a published MSSQL or MSAS data source configured for Kerberos authentication, the following error might occur:
 
Failed to enable authentication privilege

Environment

  • Tableau Server 8.3
  • MS SQL Server
  • MSAS

Resolution

On the machine, or machines, hosting Tableau Server, enable the Run As User account to act as part of the operating system. For more information, see Enable Run As User to Act as the Operating System.

Note: If the error is still occurring, it may be necessary to reboot the Tableau Server in order for the updated Local Security Policy setting to take effect.

Cause

The Run As User account must be allowed to act as part of the operating system in order to delegate access to MS SQL Server and MSAS data sources.
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