CA Application Performance Management Agent (APM / Wily / Introscope)INTROSCOPE
If you see a message like this " [Manager.com.timestock.tess.services.tim.TimIo] cannot send timconfig to monitor id=700000000000012598: Connection Failure: Error retrieving response http://X.X.X.X:80/wily/cem/tim/tess/settimconfig: connect timed out" when you are enabling a monitor in the CEM UI.
The subnet mask was not set properly in the Machine Setting > Network Setup
We set the correct subnet mask in Machine Setting > Network Setup. In this case we set it to 255.255.255.0