Management Agent Cannot Manage Secure Servers on WebSphere Application Server on IBM i
If you have trouble connecting to servers in a WAS profile for which administrative security is set to enabled, ensure that you have JDK 1.5 installed on the IBM i machine. The Management Agent needs security libraries from JDK 1.5 to connect to secure servers in WebSphere Application Server.
Tip:
The typical location for the JDK is:
/QIBM/ProdData/java400/jdk15