Before you work with an MPP server, you need to take the MPP offline. This procedure explains how take the MPP offline using the EPM Web interface.
Avaya Experience Portal stops the selected MPP server when the last active call completes or the grace period expires, whichever comes first.
Changed to Stopped, continue with this procedure.
Did not change, you need to stop the mpp service as described in Stopping the MPP service.