Time-Out Error during manual synchronization attempts.
The VM replications are in a yellow health state, indicating that they were not syncing properly.
Replication health status is yellow, and the state age indicates "This information could be out-of-date" after replication was created.
VMware Cloud Director Availability 4.x
Perform the below mentioned steps to resolve the replication issue -
Note - Deleting and restarting replications in bulk could have an impact on RPO (Recovery Point Objective) and recovery capabilities. Ensure that the VMs being affected are in a maintenance window or during off-peak hours if possible.
For more information, please see the VMware vCloud Director Availability document for replacing certificates: https://docs.vmware.com/en/VMware-Cloud-Director-Availability/4.7/VMware-Cloud-Director-Availability-Admin-Guide/GUID-C2043AB5-5D78-4843-BDFF-A0E471CD53E4.html