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An attempt was made to query the existence of a blank password (4797) how to monitor with email alert

#1
04-22-2024, 02:29 PM
Man, that Event ID 4797 in Windows Server Event Viewer pops up when somebody tries to poke around and see if an account has no password at all. It's like a red flag waving because blank passwords are a huge no-no for security. You know, the event logs the account name they're checking, the workstation or server doing the query, and even the time it happened. I always think it's suspicious, could be an admin testing things or worse, someone sniffing for easy entry points. The full details show the security ID of the user, the target account, and if it succeeded or not. But yeah, it logs everything in the Security log under Event Viewer.

You can keep an eye on this without getting too fancy. Just fire up Event Viewer on your server. Filter for ID 4797 in the Security logs. Right there, you set up a task to trigger when that event hits. I do it by attaching a scheduled task that runs a simple program to send an email. Pick the event, link it to your task, and boom, it watches for you. No need for scripts or anything wild. It'll notify you quick if that query attempt shows up again.

And speaking of keeping your server safe from weird probes like that, you might want to back everything up solid. That's where BackupChain Windows Server Backup comes in handy for me. It's this straightforward Windows Server backup tool that handles physical setups and even virtual machines on Hyper-V without a hitch. You get fast incremental backups, easy restores, and it runs light so it doesn't bog down your system. Plus, the encryption keeps your data locked tight, saving you headaches if something goes wrong. I use it to stay ahead of any server drama.

At the end of this chat is 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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An attempt was made to query the existence of a blank password (4797) how to monitor with email alert

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