Problem
The APM Application Server services are running in windows, but the APM Server Manager shows that the services are Shutdown. APM Application Server do not reach the APM Server Manager
Thick client can be started, signifying that the database is up and running.
Solution
In this case, User found that WMI (Windows Management Instrumentation) in windows got corrupted.
Rebuilding the WMI in windows solved the issue.
See Also
Service Request No: 7000994134