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Oracle Linux: Failed To Authenticate in AD With Error: Failed to initialize credentials using keytab [MEMORY:/etc/krb5.keytab]: Client 'host/<HOSTNAME>@<DOMAIN>' not found in Kerberos database. (Doc ID 2812542.1)

Last updated on OCTOBER 06, 2021

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 7.0 and later
Information in this document applies to any platform.

Symptoms

The system was registered on an Active Directory (AD) system, but authentication fails with:

Sep 29 01:33:56 <HOSTNAME> sssd[ldap_child[14917]][14917]: Failed to initialize credentials using keytab [MEMORY:/etc/krb5.keytab]: Client 'host/<HOSTNAME>@<DOMAIN>' not found in Kerberos database. Unable to create GSSAPI-encrypted LDAP connection.
Sep 29 01:33:59 <HOSTNAME> sssd[ldap_child[14918]][14918]: Failed to initialize credentials using keytab [MEMORY:/etc/krb5.keytab]: Client 'host/<HOSTNAME>@<DOMAIN>' not found in Kerberos database. Unable to create GSSAPI-encrypted LDAP connection.

Cause

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In this Document
Symptoms
Cause
Solution
References


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