When updating certificates in SDDC manager, the certificate task is stuck at 100% but when drilling down into the task and viewing the certificates in SDDC and on the appliances you replaced certificates on, the certificates are replaced.
Restarting the operationsmanager service on the SDDC manager has not effect.
VMware Cloud foundation
SDDC Manager
This is caused because the certificate cache on the SDDC manager fails to update.
Reboot the SDDC manager appliance.