Disable-AddressListPaging Exchange cmdlet issued (25123) how to monitor with email alert

[bob]

You know that event in Windows Server Event Viewer, the one with ID 25123? It pops up when someone fires off the Disable-AddressListPaging cmdlet in Exchange. Basically, this thing logs the exact moment that command gets issued. It captures who did it, like the user account involved. And the timestamp, right down to the second. Even the server name where it happened. This event screams caution because disabling paging on address lists can slow down your whole Exchange setup. It messes with how the system handles big lists of contacts or distribution groups. Performance takes a hit, especially if you've got a ton of users querying those lists. I remember seeing this once and it caused searches to lag bad. The log details the session ID too, so you can trace back if needed. It flags any parameters passed with the cmdlet. Like if they targeted specific lists or went broad. Exchange spits this out in the Application log under Microsoft-Exchange-AddressLists. High priority stuff, man. You don't want this sneaking by unnoticed.

I set this up for monitoring once, super straightforward. You open Event Viewer on your server. Filter for that 25123 ID in the logs. Right-click the event and attach a task to it. Make it trigger on every occurrence. Then in the task settings, pick send an email action. You plug in your SMTP details there. Who gets the alert, the subject line with the event deets. It fires off right away when it sees the event. No fuss, just watches the logs constantly. I like how it keeps things simple without extra tools. You test it by simulating the event if you can. Alerts land in your inbox quick. Keeps you looped in without babysitting the server.

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