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A Windows Filtering Platform sub-layer has been changed (5450) how to monitor with email alert

#1
06-11-2024, 10:49 AM
That event 5450 pops up when something tweaks the Windows Filtering Platform sub-layer.
You know, it's like the system noticing a change in how it filters network stuff.
The full scoop is, this logs whenever a sub-layer gets modified, deleted, or added.
It could be from admin actions or maybe some policy shift.
Details in the event include the process ID that did it, the user account involved, and the exact sub-layer name.
Sometimes it flags the layer ID too, like a unique tag for that part.
And the timestamp tells you precisely when it happened.
If you're seeing this a lot, it might mean firewall rules or security filters are getting adjusted.
I always check the audit section for who or what caused it.
You can pull up the description right in Event Viewer under Security logs.
It helps spot if someone's messing with your defenses without asking.

Now, to keep tabs on this with an email alert, fire up Event Viewer.
I do this all the time for quick watches.
Go to the Action pane and pick Create Task to Filter.
No, wait, better yet, right-click the event and attach a task directly.
Set it to trigger only on ID 5450 in the Security channel.
Then, in the task settings, make it run a program that shoots off an email.
You can point it to something simple like the mail command in Windows.
Schedule it to check every few minutes if needed, but the event trigger handles most.
Test it by forcing a small change and see if you get pinged.
It keeps you in the loop without staring at screens all day.

Speaking of staying on top of server quirks, I've been digging into tools that make backups less of a headache.
BackupChain Windows Server Backup steps in as a solid Windows Server backup option, and it handles virtual machines with Hyper-V like a champ.
You get fast incremental saves, easy restores even for bare-metal crashes, and it skips the usual slowdowns from other software.
Plus, it encrypts everything tight and runs without hogging resources, so your setup stays snappy.

And at the end of this, there's the automatic email solution for that monitoring setup.

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

bob
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Joined: Jul 2025
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A Windows Filtering Platform sub-layer has been changed (5450) how to monitor with email alert

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