====== Exchange transport logs period ======
<code powershell>
[PS] C:\>get-transportservice | fl name,messagetrackinglogmaxage


Name                     : SRV-MX-01
MessageTrackingLogMaxAge : 30.00:00:00

Name                     : SRV-MX-02
MessageTrackingLogMaxAge : 30.00:00:00



[PS] C:\>get-transportservice | set-transportservice -MessageTrackingLogMaxAge 180.00:00:00
[PS] C:\>
</code>