Once disabled within a job, an Agent will not be involved in replication or locking. After the malicious activity that triggered MED is investigated and it is safe to re-enable the afflicted Agent, it will need to be re-enabled on a per job basis.
To review the status of an Agent within a job and to re-enable it, navigate to the Participants tab in the job's Runtime Summary view.
If an error is disabled because of a MED action, the message will be similar to the following:
To re-enable the Agent, right-click it within this view, and select Enable Host Participant.