IPA fails to start with error: Starting Kerberos 5 KDC: krb5kdc: cannot initialize realm EXAMPLE.COM - see log file for details

Issue

• Identity Manager fails to start after reboot of server.

• Attempting to start the service manually give the following error:

# service ipa start
Starting Directory Service
Starting dirsrv: 
    EXAMPLE.COM        ...                                 [  OK  ]
    PKI-IPA...                                             [  OK  ]
Starting KDC Service
Starting Kerberos 5 KDC: krb5kdc: cannot initialize realm EXAMPLE.COM - see log file for details
                                                           [FAILED]
Failed to start KDC Service
Shutting down
Stopping Kerberos 5 KDC:                                   [FAILED]
Stopping Kerberos 5 Admin Server:                          [FAILED]
Stopping httpd:                                            [FAILED]
Stopping pki-ca:                                           [  OK  ]
Shutting down dirsrv: 
    EXAMPLE.COM        ...                                 [  OK  ]
    PKI-IPA...                                             [  OK  ]
Aborting ipactl