KNOWLEDGE BASE

Error "Kerberos Authentication Failed No Key Table Entry Found Matching" When Using Other Encryption Types


Published: 16 Dec 2015
Last Modified Date: 07 Mar 2017

Issue

When enabling Kerberos authentication, users might not sign in automatically and the following error might be seen in the httpd error.log:

gss_acquire_cred() failed: Unspecified GSS failure.  Minor code may provide more information (, No key table entry found matching HTTP/servername.domain.com@)

Environment

  • Tableau Server 9.1.1
  • Windows Server 2012
  • MS SQL Server

Resolution

Ensure that the /crypto flag is not configured in the ktpass command portion of the kerberosconfig.bat to specify a different encryption type.

Cause

An encryption type other than RC4-HMAC has been specified for the keytab encryption when running the ktpass command portion of the kerberosconfig.bat.

Additional Information

For more information on the /crypto flag, see Ktpass in Microsoft Technet.
Did this article resolve the issue?