AD users cannot login RHEL host- Error: KCM operation failed : The maximum number of stored secrets has been reached

Solution Verified - Updated -

Issue

  1. Some of our systems have issues with a specific (active directory) account and are logging kerberos/sssd/kcm related messages. It looks like old tickets are not being removed which causes login issues.

  2. In the sssd logs I found this error in /var/log/sssd/sssd_kcm.log:

sssd_kcm.log-20230813:(2023-08-11 11:47:43): [kcm] [kcm_cmd_request_done] (0x0040): [CID#10] KCM operation failed [1432158288]: The maximum number of stored secrets has been reached

Environment

  • Red Hat Enterprise Linux 8.8

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