State Unknown on a client's dashboard

Issue :  On a client Dashboard, it shows all good except 'state: unknown' which should be 'state: running'

Ran the command below and all good

# /var/opt/sun/xvm/OCDoctor] ./OCDoctor.sh --troubleshoot --fix
Ops Center Doctor version 3.02 (Jul 19 2011 [Build 384]), OC Version 11.1.0.1571 (SunOS)
================================ Checking agent... ======================================
OK: Agent requirements are met
OK: No adopt zone error found (CR 6997538)
OK: All agent packages are installed properly
OK: All agent patches are installed properly
OK: Memory usage of agent is fine.
OK: agent version is the latest one (11.1.0.1571)
OK: pkginfo works properly
OK: pkg_seeker.sh works properly
OK: no core file found in seekers folder