"Check the Listner status , SAPOSCOL service status"
How? Please explain exact steps for non-Basis people.
I went to the following for how to check:
http://www.thegeekstuff.com/2009/05/oracle-lsnrctl-listener-shutdown-and-startup-procedures
But still don't know where "SAPOSCOL service status" is. Went into "Services" on the server and there isn't an entry there.