SMGR and CM sync but change no update

[hcmbmt]

Hi all,
The system has been working for more than 3 years, but now the changes are not being updated. What should I check in this situation?

1. Changes made on SMGR are not being sent to CM.
2. Changes made on CM are not being reflected on SMGR

On System Manager - Services - Inventory - Synchronization - Communication Manager - the status is

Complete Jobs:

 

[hcmbmt]

Is the synchronization issue related to the CM issue? The Secondary CM is now is Active and Primary is Standby.
1. In SMGR - Service - Inventory the setting as

2. Interchange the two CM show issue:

3. Summary status of two CH: sometimes standby shadowing off and duplication link is half.