Intermittent sudo or SSH Authentication Failures on Identity Management (IdM) Clients due to transient lock conflicts" or "Database error -30993 / -12795"

Solution Verified - Updated -

Issue

  • Users experience intermittent SSH login or sudo privilege escalation failures on Identity Management (IdM) client machines.
  • SSSD logs on the client systems show transient offline states or PAM-related authorization failures:
(2026-09-15  5:44:30): [be[ipa.example.in]] [sbus_issue_request_done] (0x0040): sssd.dataprovider.getAccountInfo: Error: SSSD is offline


sudo: pam_sss(sudo:account): Access denied for user <username>: 4 (System error)

Environment

  • Red Hat Enterprise Linux (RHEL) 8.10, RHEL 9.x
  • IDM
  • SSSD
  • 389-DS

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