The changes in the updated Exchange 2010 Monitoring Management Pack include:
- Fixes to Alerts – at times two events were logged for the same event.
- Ensure Correct Values are read.
- Log the event on local server where the TS is running.
Here is a location of the updated Management Pack: http://www.microsoft.com/en-us/download/details.aspx?id=692 (short: http://aka.ms/ex2010mp)
Read more at source: Exchange Server 2010 Monitoring Management Pack re-released