VMware NSX Compute Manager lost connectivity Alarm in open state even after the Compute Manager vCenter is deleted from NSX manager.
Resolving the alarm via UI or API does not work, the alarm is triggered again from the Alarm framework memory.
VMware NSX-T Data Center, VMware NSX
Open Alarm is not cleaned up while deleting Compute Manager. Hence, it is still in open state.
Restart the proton service on the NSX-T Manager node that is reporting the alarm using the below command:
#service proton restart