Customer configure auto start at boot in RHEL 7.x.
It is replaced system V rc script by systemd method.
So, he create new start up script in systemd.
But it output following error at start up in syslog or so.
 Failed to execute seosd in real-time priority.
 

Red hat support provide the root cause of failed to start seosd as realtime priority.
"Failed to execute seosd in real-time priority."
systemd is not able to set real-time priority at default slice.
 

OS: Redhat Enterprise Linux Server 7.x.
Products: CA Privileged Identity Manager 12.8 SP1 or CA Privileged Access Manager Server Control r14.0 Endpoint.

to run real-time priority at seosd by systemd should be create startup script with new slice Slice=rt.slice.
Please refer manual about systemd configuration or contact Redhat support about this topic.