SSSD Service Failing with "SSSD is already running"

(Doc ID 2361231.1)

Last updated on MARCH 08, 2018

Applies to:

Linux OS - Version Oracle Linux 7.4 with Unbreakable Enterprise Kerne [4.1.12] and later
Linux x86-64

Symptoms

Unable to start sssd service and can see following errors:

 ===/var/log/messages===

Jan 26 12:48:54 xxx systemd: Starting System Security Services Daemon...
Jan 26 12:48:54 xxx sssd: SSSD is already running
Jan 26 12:48:54 xxx systemd: sssd.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Jan 26 12:48:54 xxx systemd: Failed to start System Security Services Daemon.
Jan 26 12:48:54 xxx systemd: Unit sssd.service entered failed state.
Jan 26 12:48:54 xxx systemd: sssd.service failed.

===/var/log/sssd/sssd.log===

(Wed Jan 24 09:58:39:460082 2018) [sssd] [main] (0x0010): pidfile exists at /var/run/sssd.pid
(Wed Jan 24 10:02:07:460441 2018) [sssd] [main] (0x0010): pidfile exists at /var/run/sssd.pid

Changes

 No changes.

Cause

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