Set-CalendarNotification Exchange cmdlet issued (25368) how to monitor with email alert

[bob]

You ever notice how Exchange logs stuff like that Set-CalendarNotification cmdlet getting fired off? Event ID 25368 pops up in the Event Viewer when someone runs that command to tweak calendar alerts in Exchange. It captures the exact moment, like who did it, from which machine, and what changes they made to those notification settings. I mean, it's basically Exchange saying, hey, someone's messing with calendar pings right now. And it logs the user account involved, the server name, plus any parameters passed in that cmdlet call. You can see it under the MSExchange Management log, usually with a level of information or warning, depending on the setup. But mostly, it's just tracking admin actions to keep tabs on who's adjusting those email nudges for meetings or whatever. Hmmm, or it could flag if something sketchy happens, like unauthorized tweaks.

Now, if you wanna watch for this event and get an email zap when it hits, fire up Event Viewer on your server. I do this all the time to stay ahead of weird admin moves. Right-click on that MSExchange Management log, pick Create Custom View, and filter for event ID 25368. It'll show you just those hits. Then, to make it alert you, highlight the event in the list, hit Attach Task To This Event from the Actions pane. You build a scheduled task there that triggers on this ID. Set it to run a program like sending an email via some simple tool you got, or even blat if you have it handy. Make sure the task emails you the details, like the user and time. It's straightforward, no fancy coding needed. And you test it by forcing the event or waiting for one.

Or, if you're lazy like me sometimes, just enable email subscriptions in Event Viewer under Subscriptions, but tweak it for this specific log. You point it to your email server, set the filter for 25368, and boom, alerts fly out. I set mine to include the event description so you know exactly what's up without digging.

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At the end of this is the automatic email solution.

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