javax.naming.CommunicationException: JNDI setup failed on RNAME=nsps://Server:port [Root exception is com.pcbsys.nirvana.client.nRealmUnreachableException: Realm is currently not reachable:com.pcbsys.foundation.base.fException: SSL exception received when connecting to - [nsps://Server:port/] (check cause for underlying exception)]
Though my reply on this reference post below (see points #3 and #4), was for Enterprise Manager, your issue seems to be about IS ← → UM connectivity than anything else from the error.
KM