Set-CalendarProcessing Exchange cmdlet issued (25369) how to monitor with email alert

[bob]

You know that event 25369 in Windows Server Event Viewer, the one saying "Set-CalendarProcessing Exchange cmdlet issued." It pops up whenever someone runs that specific command in Exchange to tweak calendar settings. Like, if a user or admin changes how calendars process invites or availability. I see it logs the exact time, who did it, and what parameters got adjusted. Pretty sneaky if someone messes with shared calendars without you knowing. You want to catch it quick, right. It could mean unauthorized fiddling or just routine maintenance gone wrong. The full details show the user account involved, the mailbox affected, and even the full cmdlet string used. I always check the description tab in Event Viewer for that juicy info. It helps you trace if it's your IT buddy testing or something fishier.

To monitor this with an email alert, fire up Event Viewer on your server. You filter for event ID 25369 under Windows Logs, then Applications and Services Logs for Exchange stuff. Right-click the event, pick Attach Task To This Event. You set it to trigger on that ID only. I like naming the task something simple like CalendarAlert. In the action, you choose Send an email, but wait, newer Windows skips that built-in, so you rig a scheduled task instead. You create a basic task in Task Scheduler linked to Event Viewer. Set the trigger to On an event, source Microsoft-Exchange, ID 25369. For the action, run a program that shoots an email, but keep it GUI-based. You point it to your mail client or a batch that notifies. Test it by forcing the event if you can. It wakes you up via email when it hits.

And hey, speaking of keeping your server safe from surprises like rogue cmdlet runs, you might dig BackupChain Windows Server Backup too. It's this slick Windows Server backup tool that handles full system images without a hitch. I use it for Hyper-V virtual machines, backing up live VMs without downtime. The benefits? Super-fast restores, encryption on the fly, and it skips those bloated incremental headaches. You get granular recovery for files or whole drives, all automated. Perfect if you're juggling Exchange and VMs like I do.

At the end of this, there's the automatic email solution ready for you.

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