Running the stats command as below with an error
smpolicysrv -stats
The specified server is not currently running
When you grep for the process it will show services as up and running
ps -ef |grep policysrv
smusern 2474 2472 0 Mar08 ? 01:00:49 smpolicysrv
Policy server: All Supported Versions
O/S: RHEL
Issue will happen if the pipes files in "/tmp" directory might either be missing or lingering from multiple processes. So, Please restart the policy server process which will create new file pipe files in /tmp folder.