praveenkumar@zohocorp.com

GPO Fundamentals Group Policy & Endpoint Policy

How to secure OU and group changes with audit trails

October 17, 2025

Securing OU and group changes with audit trails Organizational Units (OUs) and security groups are two of the most powerful “control surfaces” in Active Directory. OUs decide where objects live, what policies apply, who can administer what, and how delegation is structured. Groups decide who can access what (file shares, apps, GPO filtering…

Role-based access control (RBAC) using AD groups

October 17, 2025

Role-based access control (RBAC) using AD groups Role-based access control (RBAC) is the idea that people don’t get permissions because of who they are, but because of what they do. In Windows environments, Active Directory (AD) groups are the most common “glue” used to map job roles to permissions across file shares, apps, databases…

Using groups for licensing control in Microsoft 365

October 17, 2025

If you’re still assigning Microsoft 365 licenses user-by-user, you’re doing identity operations the hard way. Group-based licensing flips the model: instead of asking “What does Alice need?”, you decide “What does a Sales Analyst get?” and make group membership the single source of truth for licensing. This approach scales, reduces mistakes (missing…

AD group expiration and recertification best practices

October 17, 2025

AD group expiration and recertification best practices Active Directory groups are one of the most powerful—and most quietly dangerous—access control primitives in Windows environments. They’re easy to create, easy to nest, and easy to forget. The result is predictable: groups that outlive their projects, privileged memberships that never…

Mapping users to OUs via dynamic properties

October 17, 2025

Mapping users to OUs via dynamic properties Active Directory (AD) works best when Organizational Units (OUs) reflect how you operate: how you delegate, how you apply policy, and how you lifecycle identities. The problem is that people and org charts don’t stay still. Departments rename, locations split, teams merge, contractors come and go…

Tools for visualizing OU and group structures

October 17, 2025

Tools for visualizing OU and group structures Active Directory gets difficult to reason about long before it gets “big.” A few years of organic growth—new teams, acquisitions, hybrid identity, app-specific groups, delegated admins—turns OUs into a maze and groups into a web. The hard part isn’t knowing what an OU or a security group is.

Group cleanup scripts with usage analysis

October 17, 2025

Group cleanup scripts with usage analysis Active Directory group sprawl is not just “messy directory hygiene”—it directly affects access risk, troubleshooting time, audit outcomes, and even authentication performance at scale. The hard part isn’t deleting groups; it’s proving that a group is no longer needed, and doing it without…

AD indexing explained—what admins need to know

October 3, 2025

AD Indexing Explained — What Admins Need to Know Active Directory indexing is one of the most overlooked yet critical aspects of directory performance. As AD grows to thousands—or millions—of objects, searches and lookups can slow dramatically if the right attributes aren’t indexed (or if too many are). In simple terms, AD…

Certificate consolidation for AD domain controllers

October 3, 2025

Certificate Consolidation for AD Domain Controllers: What You Need to Know Active Directory (AD) remains the backbone of identity, authentication, and authorization in most enterprise Windows environments. Within this ecosystem, domain controllers (DCs) rely heavily on digital certificates to prove their identity, encrypt communications, and establish…

How to design AD for Zero Trust: Practical first steps

October 3, 2025

Designing AD for Zero Trust: Practical First Steps Designing AD for Zero Trust (practical first steps) means reshaping your on-premises Active Directory (AD) so that every access request is explicitly verified, least-privileged, and resilient to compromise. Zero Trust is a security model that assumes no implicit trust—inside or outside your network—and continuously validates identity…

Arun Kumar

How to secure OU and group changes with audit trails

Role-based access control (RBAC) using AD groups

Using groups for licensing control in Microsoft 365

AD group expiration and recertification best practices

Mapping users to OUs via dynamic properties

Tools for visualizing OU and group structures

Group cleanup scripts with usage analysis

AD indexing explained—what admins need to know

Certificate consolidation for AD domain controllers

How to design AD for Zero Trust: Practical first steps

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