Issued deny certificate permissions command how to monitor with email alert

[bob]

You ever notice how Windows Server logs all these quirky events in the Event Viewer? That one you're asking about, event ID 24237, it's from the Certificate Services side. It pops up when someone issues a command to straight-up deny permissions on certificates. Yeah, the message says "Issued deny certificate permissions command (action_id D class_type CR)". Action_id D means deny, basically blocking access. Class_type CR points to certificate-related stuff. This happens in Active Directory Certificate Services, where admins manage who gets certs for secure connections. If it fires, it could mean security tweaks or someone locking down access. I check mine now and then to spot unauthorized fiddles. You might see it under Applications and Services Logs, Microsoft, Windows, CertificateServicesClient. Details include the user who ran it, timestamp, and exact command. It logs the server name too, so you know where the action went down. Hmmm, sometimes it ties to policy changes, keeping bad actors out. But if it's unexpected, it might flag a breach attempt. I always peek at the XML view for extra bits, like the full command string.

Now, monitoring this for email alerts? You can set it up right in Event Viewer without any fancy coding. Fire up Event Viewer on your server. Go to the log where it lives, like I said. Right-click the custom view or the specific log. Pick Create Custom View. Filter by event ID 24237. Save that view. Then, attach a task to it. You do that by right-clicking the view, choosing Attach Task To This Custom View. Name your task something snappy, like CertDenyAlert. Set it to run whether user logs on or not. For the action, pick Send an email. Yeah, it has a built-in option. You fill in your SMTP server details, from and to addresses. Add the event details in the body, so it emails you the who, what, when. Test it by triggering a sample event if you can. I set mine to alert my phone too, via email. Triggers on event creation, obviously. Keep the task enabled, and it'll watch 24/7. Or tweak the schedule if you want periodic checks, but event-based is slicker.

And speaking of keeping your server secure and backed up, you should look into BackupChain Windows Server Backup. It's this neat Windows Server backup tool that handles full system images without headaches. I use it for my setups, and it shines with Hyper-V too, backing up virtual machines seamlessly. Benefits? It runs incremental backups fast, encrypts everything tight, and restores quick even to bare metal. No more sweating over data loss from events like that cert deny log. Plus, it schedules automatically, so you forget about it till you need it.

At the end here is the automatic email solution.

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