I ve got problem with registering agent in solution manager diagnostic. The following message is in the log:
registering agent on server......
Exception - Registering agent on server <hostname>:50104 failed Time out occured when calling method 'configure' on object com.sap.smd.api.IAgentContext_Stub@6eb2c1 possible com.sap.smd.server.util.concurrent.TimeoutException. And this situation is going to repeat all the time