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 | Apr 8, 2026 | Group Policy Management, Tips & Tricks
I have to say that after 25 years of messing around with Group Policy, I am constantly amazed by the new things I still learn about the technology and its behavior. Especially when those things are substantial and weird. Such was my recent experience when a colleague...
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...
by Darren Mar-Elia | Feb 17, 2026 | News
Organizations across 20+ countries leverage SDM Software products to ensure a secure and steady configuration state across Group Policy and Intune San Anselmo, California, February 17, 2026 ─ SDM Software, the Configuration Experts in Group Policy and Intune, recorded...
