Run the following command " ./smpolicysrv -stats " from the siteminder /bin folder
If you get the following error "The specified server is not currently running" This means the siteminder .pipe files are missing or corrupt in /tmp folder of the OS.
Run the stop and then start scripts for the policy server. After you have restarted the service check the .pipe files date/time has been updated.
If the files are not updated, delete them and then stop and then start the policy server again.
/tmp: (siteminder files)