Remove-OnPremisesOrganization Exchange cmdlet issued (25592) how to monitor with email alert

[bob]

I remember spotting this event once, event ID 25592, called "Remove-OnPremisesOrganization Exchange cmdlet issued." It pops up in the Event Viewer on Windows Server when someone runs that specific command in Exchange. Basically, it means the system's logging that a cmdlet got fired off to yank an on-premises organization setup. You know, like if you're messing with hybrid Exchange stuff, connecting on-prem to the cloud. This event captures the whole action, including who triggered it, the timestamp, and details on what organization got targeted. It shows up under the Microsoft-Exchange or application logs, depending on your setup. And it's a warning level usually, so it grabs your attention without freaking out the system. If you ignore it, you might miss someone accidentally or on purpose removing key configs. I always check the source field too, confirms it's from the Exchange Management Shell. The description spells out the exact cmdlet parameters used, helping you trace back the intent. Or sometimes it's just admins cleaning up old tenants. But yeah, it details the session ID and server name involved. Hmmm, makes it easy to audit later if things go sideways.

You can monitor this thing right from the Event Viewer screen without any fancy coding. Just fire up Event Viewer, head to the log where it hides, like Applications and Services Logs under Microsoft. Filter for event ID 25592 to see past hits. Then, to get alerts, create a custom view first, narrowing it to that ID and source. Right-click the view, attach a task to it. That task runs on every new event. Set it to trigger an email through the built-in action, using your server's SMTP settings. Pick the times or just on event occurrence. Test it by simulating if you can, but watch out, don't actually run the cmdlet unless you're sure. I set one up like that for a buddy's server, caught a test run before it bit them. Keeps you in the loop without constant staring at logs.

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Note, the PowerShell email alert code was moved to this post.