RHV SSO authentication fails with "Request ticket server HTTP/XXXX kvno 3 found in keytab but not with enctype rc4-hmac)"

Solution Verified - Updated -

Issue

  • LDAP and Kerberos have been configured in RHV for Single Sign On according to the documentation.
  • Authentication fails with an error that the enctype is not in the keytab:
GSS ERROR In Negotiate Auth: gss_accept_sec_context() failed: [Unspecified GSS failure.  Minor code may provide more information (Request ticket server HTTP/rhvm.example.com@EXAMPLE.COM kvno 3 found in keytab but not with enctype rc4-hmac)]

Environment

  • Red Hat Virtualization (RHV) 4.4
  • Red Hat Virtualization Manager (RHV-M) 4.4
  • Microsoft Active Directory backend
  • Authentication provider using Kerberos and LDAP

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