To ensure that the Message Tracking Log is enabled, inside the Exchange Management Console, navigate to the following area:

Server Configuration >
Hub Transport >
Right click on your Hub Transport entry >
Log Settings Tab >
Check the box labeled "Enable message tracking log" and directly underneath it, enter the path where your log files will reside.

Open the Exchange Management Shell console and determine your server’s identity and verfiy logging is enabled with either of these commands.
Continue reading “Exchange Server 2010 – Changing Message Tracking Log Retention Period”