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Problem Note 66935: Start-up of the CAS controller fails with the message "Kerberos failure in function krb5_verify_init_creds: Permission denied (0000000D)"

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Start-up of the SAS® Cloud Analytic Services (CAS) controller fails after you enable Kerberos authentication with constrained delegation. In the CAS log, you see messages that are similar to the following:

2020-08-17T15:29:15,901 INFO  [00000004] MAIN NoUser MAIN [tkident.c:7129] - Kerberos is configured.
2020-08-17T15:29:15,909 INFO  [00000004] MAIN NoUser MAIN [tkidentgss.c:1670] - Attempting to use keytab file: /etc/sascas.keytab.
2020-08-17T15:29:15,917 WARN  [00000004] MAIN NoUser MAIN [tkidentgss.c:257] - Kerberos failure in function krb5_verify_init_creds: Permission denied (0000000D).
2020-08-17T15:29:15,917 ERROR [00000004] MAIN NoUser MAIN [tkidentgss.c:1797] - Failed to verify initial credentials using keytab /etc/sascas.keytab.

These messages appear when the VERIFY_AP_REQ_NOFAIL variable is set to true in the krb5.conf file.

The messages can also occur because you do not have the appropriate permissions for the /etc/sascas.keytab file.

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Operating System and Release Information

Product FamilyProductSystemProduct ReleaseSAS Release
ReportedFixed*ReportedFixed*
SAS SystemSAS ViyaLinux for x643.43.5ViyaViya
* For software releases that are not yet generally available, the Fixed Release is the software release in which the problem is planned to be fixed.