This option allows to reduce the overall replication workload on the CFA.
How it works?
When enabled, the CFA scans the replication queue (see Replication > Replicated Jobs tab), detects all successful non-replicated jobs of the client, and replicates only the job, which started last on the day, while skipping others.
The process starts each day at 11:59 PM (CFA time).
If the job is still running at the time the process starts, the CFA will note that job and suspend the process for the given day until the job is completed (this does not affect afterdays).
If you disable this option, this will make the CFA to scan the entire replication queue, detect all jobs skipped when the option has been enabled, and mark them to be replicated again.
How to enable?
Sign in to the CFA Management Console.
Go to Clients > Edit, and then click the desired client.
In the Offsite group, select Replicate only last successful job of the day.