Windows Task Scheduler task for replication of certificates from the central management store to the local machine has failed to run. Skype for Business Server 2015, Replica Replicator Agent will continuously attempt to re-initialize the task. While this condition persists, no replication of the certificates from the central management store to the local machine will be done.
Windows Task Scheduler may not be running or certificate replication task may have been deleted or disabled.
Ensure that Windows Task Scheduler service is running and certificate replication task is enabled.