Exchange/Powershell Monitoring script Database Copy Failover/Activation

I'm asking to see if someone has written or has suggestions on how to write a powershell script to monitor/alert for the following action:

I would like to be notified (immediately) by email when a passive/standbye copy in my DAG becomes active.
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AmitIT ArchitectCommented:
Will SzymkowskiSenior Solution ArchitectCommented:
This link will show you everything requested. See near the bottom for "Building your own script".

Hope this helps

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KevinKhanMCITPAuthor Commented:
Thank you for both providing these solutions. Since Spec01's solution only reports the failures, I can setup a scheduled task to run many times an hour, expecting only an email when there's a problem.

amitkulshrestha: You're solution provides great information that's good for a summary report once or twice a week.

Thanks again everyone!!
Jeff BrownInfrastructure EngineerCommented:
You should monitor for event ID 322 (it's in the Microsoft\Exchange\HA\Operational log).  It is raised on the node that holds the DAG's PAM.  Unlike the SCOM Exchange 2010 management pack, this will raise only one event per database failover, so it won't contribute to noisy alerts.  My alerts show:  Active server for database database name changed from node1 to node2
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