Consolidating windows domains
This is probably due to different releases Microsoft Server OSes.
There were a few really good guides that already exist (mentioned in the references links), but they did not get me completely over the hump to getting WEF completely functional.
Better to start smaller and work outwards than stumble out of the gate.
Once you work out what the target systems are, on the collector server open Event Viewer and select the Subscriptions.
First, run the following commands on the collector server: This starts the Win RM service, and sets the service startup type to auto-start as well as configures a listener for the ports that send and receive WS-Management protocol messages.
Next use wecutil to configure the Windows Event Collector service and that it also starts when the system is rebooted.