Resolve issue: Discovering and Monitoring weblogic domains where Admin Channel is enabled

If you try to use Oracle Enterprise Manager Grid control agent to discover Weblogic domain that has Admin Channel or SSL enabled, you might not be able to do so even though you follow the instruction from Oracle’s doc:
http://download.oracle.com/docs/cd/E11857_01/em.111/e16790/weblogic.htm

Here is a tip to help you resolving the issue.