by Darren Mar-Elia | Jul 13, 2026 | Security-related
How many of you remember that, long before GP Preferences was acquired by Microsoft, they used to refer to any Administrative Template settings that did not set values in the 4 magic registry keys as…wait for it…preferences? That’s right, there were “preferences” long...
by Darren Mar-Elia | May 4, 2026 | General Stuff
I still stumble across questions about Group Policy Loopback Processing on Reddit and other platforms. It confounds a lot of folks because what it does is a bit complex. In this blog, I am going to try to break it down so it is easy to digest. What is Loopback...
by Darren Mar-Elia | Apr 28, 2026 | Tips & Tricks, WMI Filters
I was reminded of a thread I read a while back where someone was trying to filter a domain-linked GPO by OU membership. The objective was to allow or block computers in a specific OU from receiving a domain-linked GPO purely by evaluating the OU to which they...
by Darren Mar-Elia | Mar 5, 2026 | Group Policy, Group Policy Blog, Group Policy Management, Tips & Tricks
If you’ve worked with Group Policy for any length of time, you’ve probably heard the term ‘registry tattooing’. The concept dates back to NT 4.0 System Policies, for those Windows veterans who remember it. Tattooing occurred when a registry-based policy...
