Case Study

Active Directory Planning.

A preserved identity and access case study for OU planning, GPO scope review, migration awareness, rollback preparation, and validation documentation.

Active Directory migration and identity access diagram

Executive Summary

Identity administration planning with rollback awareness.

This case study documents Active Directory-style OU restructuring and identity access planning as sanitized lab documentation. It focuses on supportable change sequencing rather than unsupported enterprise migration claims.

Business Objective

Make identity changes easier to target, validate, and reverse.

Separate users, computers, and service accounts so policy targeting, delegation, troubleshooting, and rollback planning can be reviewed clearly.

Skills Demonstrated
  • Active Directory fundamentals
  • OU structure planning
  • Group Policy scope review
  • Change records and rollback planning
  • Validation criteria for identity changes

Technical Environment

Sanitized lab planning record.

The documented environment is an Active Directory-style lab planning context. It does not expose private domain names, credentials, user identities, or production directory data.

Architecture Overview

OU design connected to access boundaries.

The evidence maps OU structure, identity migration flow, coexistence planning, access boundaries, and rollback awareness. It is useful for demonstrating how identity changes should be planned before objects are moved.

Implementation Approach

Record current state, test small, validate policy behavior.

The change record calls for defining top-level OUs, documenting intended GPO scope, exporting or recording current layout, moving a small lab test set first, and isolating service accounts from standard user policy assumptions.

Validation Process

Confirm test objects appear in the intended OU, verify expected GPO scope with lab-safe review methods, confirm no unintended policy applies to service accounts, and preserve rollback steps before broader changes.

Lessons Learned

Identity evidence becomes more credible when scope, policy impact, test objects, validation criteria, and rollback records are kept together.

Related Evidence

Open the source artifacts.

Change record notes

Sanitized OU planning, GPO scope, rollback, and validation notes.

Open Evidence

Identity access diagram

Visual identity architecture and migration planning context.

Open Diagram

Provisioning change log

Adjacent automation change record connected to account provisioning review.

Open Change Log

Provisioning script

PowerShell artifact with parameter and dry-run review context.

Open Script