The default incoming status rule and other simple incoming status rues are not changing status on the TBSM service tree
all services are green.
Even if a test event is sent from TBSM using a simple incoming status rule. There not any errors. and the event can be seen in the object server's AEL (event list).
required impact service is not running: TBSMOMNIbusEvent reader
Diagnosing the problem
verify the TBSMOMNIbusEvent reader is running
Resolving the problem
This process should be running by default. But if someone were to stop it TBSM would not be able to process events properly to show status changes in TBSM.
ensure the TBSMOMNIBUSEvent Reader is running.