Arun Kumar

Using Protected Groups for critical OU containment “OU containment” is supposed to be your safety boundary: admins can manage what’s inside an OU, but they can’t casually reach outside it. In real Active Directory environments, that boundary often fails in subtle ways—mostly because of privileged group membership, inherited rights, and…

Building departmental OU structures for decentralization Decentralizing administration in Active Directory (AD) is usually not a political decision—it’s an operational necessity. As environments grow, central IT becomes the bottleneck for everyday tasks: onboarding, group ownership, workstation lifecycle, printer and share access, local admin…

Best practices for naming conventions in group management Group sprawl is rarely caused by “too many groups” alone. It’s usually caused by groups that are hard to interpret, hard to search, and easy to misuse. A consistent naming convention turns groups into an operational interface: admins can audit faster, helpdesks can assign access…

Managing dynamic distribution groups in Active Directory (Exchange-backed) “Dynamic distribution groups” sound like an Active Directory feature, but they’re really an Exchange feature that stores a group object in AD and uses recipient filtering to decide who receives mail. In other words: the object lives in AD, but the “dynamic” part is…

Detecting circular group nesting and resolving token bloat Group nesting is one of Active Directory’s most powerful features: it lets you express roles, aggregate access, and scale delegation without touching every user object. It’s also one of the easiest ways to accidentally create circular membership (loops) and quietly inflate a user’s logon token until…

Exporting group membership lists with PowerShell Exporting group membership seems simple until you try to do it in a real environment: nested groups, thousands of members, mixed object types (users, computers, service accounts, contacts), inconsistent naming, and “why is this person still in the report?” because you only…

Using scripts to compare group memberships Comparing group memberships sounds simple until you hit real-world friction: nested groups, mixed sources of truth, inconsistent naming, timing issues between DCs, and “who changed what” questions that appear only after an incident. In Windows Active Directory (and especially in hybrid setups), group…

How to lock down OU movement and deletions Organizational Units (OUs) are more than “folders” in Active Directory. They’re policy boundaries (GPO linking), delegation boundaries (who can manage what), and often the backbone of your administrative model. If someone can move an OU, they can silently change which policies apply to thousands of…

Shared drives and file shares look simple on the surface: “give Finance access to \\FS1\Finance.” In reality, they become one of the fastest-growing sources of permission sprawl, audit pain, and accidental overexposure—especially in environments with multiple file servers, legacy shares, and hybrid identity. The most reliable way to keep access stable over…