Before you can restart Replication Servers 15.0.1, you must upgrade the RSSDs so they are compatible with the new executable programs. You may also need to upgrade your user databases.
Upgrading to Replication Server version 15.0.1
Upgrade the RSSDs.
Upgrade primary, replicate, and standby user databases.
Restart the Replication Servers.
Decide whether to set the replication site version to the new version. If you do, the new features are available, but you cannot downgrade to an earlier version.