05-28-2020, 02:51 PM
I remember this one time at my old gig. We pushed out this antivirus update to everyone's desktops. Half the office got it fine. The rest? Zilch. I scratched my head for hours. Turns out, some user accounts weren't linking right to the policy. And the network hiccupped during replication. Spent a whole afternoon poking around event logs. Finally traced it to a simple permission snag on the share folder.
But anyway, let's walk through fixing yours. First off, check if the GPO even applies to your users or computers. You do that by running gpresult on a test machine. See what's hitting and what's missing. Or maybe the app path in the policy points wrong. Double-check that install file location. Make sure it's accessible everywhere.
Hmmm, permissions often trip folks up. Ensure the domain computers group has read access to the deployment share. Without it, installs just fizzle out. And replication? Verify your domain controllers sync properly. Use dcdiag if things feel off there.
What about the app itself? Test deploying it manually on one box. If it bombs, the issue's in the software, not policy. Or firewall blocking the MSI? Peek at those rules. Logs are your buddy too. Event Viewer under Applications and Services shows deployment errors clear as day.
If it's a security software deployment, watch for UAC blocking silent installs. Tweak the policy to run as admin if needed. And don't forget WMI filters. They can exclude machines accidentally.
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