Is there a way we can monitor mailboxes? If the mail count reaches the desired number then it should generate an alarm.
Environment
Release : 8.51
Component : UIM - EXCHANGE_MONITOR
Resolution
At this time, it is not possible to monitor the mail count in a mailbox using the UIM Exchange Monitor probe. We rely on perfmon counters for many metrics and there does not seem to be a counter provided by Microsoft for this.
However, it may be possible to run a PowerShell command to get that value: