Replication of the content set "%1" has been blocked because use of the File Replication Service for replication of non-SYSVOL ...

Replication of the content set "%1" has been blocked because use of the File Replication
Service for replication of non-SYSVOL content sets has been deprecated. The DFS Replication
service is recommended for replication of folders, the SYSVOL share on domain controllers
and DFS link targets.