When you enable Global Journaling in Microsoft Exchange Server 2013, you notice that emails from the Managed Availability health monitoring probe are journaled.
This behavior is by design. It is included as a health-monitoring feature in the release version of Exchange Server 2013 and in Exchange Server 2013 Cumulative Update 1 (CU1), and in Exchange Server 2013 Cumulative Update 2 (CU2).
To work around this behavior, use one of the following methods to disable the probe messages:
Method 1: Create a journal rule
To work around this issue, create a journal rule to disable probe messages. You can create a journal rule for individual recipients or a distribution group. The following is an example of a cmdlet that creates a journal rule for an individual recipient:
You can also create a journal rule for a distribution group. The following is an example of a journal rule for a distribution group. After you create the journal rule, all messages that are sent to or sent by a member of the "Journal User" distribution group are journaled: