AD-GPOS-08: GPO owner distinct count should be investigated
| ID | AD-GPOS-08 |
| Severity | Info |
| Suite | Active Directory (on-premises) |
| Product | Active Directory |
| Feature | Group Policy |
| Security area | Access control |
| Resource type | GroupPolicy |
| Reads from | On-premises Active Directory |
What this checks and how to fix it
Section titled “What this checks and how to fix it”Test-MtAdGpoOwnerDistinctCount
Section titled “Test-MtAdGpoOwnerDistinctCount”Counts the number of distinct GPO owners.
Why This Test Matters
Section titled “Why This Test Matters”- Operational control: assesses diversity of GPO owners which can highlight unusual configurations or omissions.
Control Type
Section titled “Control Type”Operational
Security Recommendation
Section titled “Security Recommendation”- If many owners are identical or blank, review GPO creation practices to ensure proper ownership.
How the Test Works
Section titled “How the Test Works”- Retrieves GPO state, extracts Owner fields, computes distinct non-empty owners, and reports the count.
Related Tests
Section titled “Related Tests”Test-MtAdGpoOwnerDetails- summarizes owners per GPOs.
Related links
Section titled “Related links”- Microsoft Learn - Group Policy management
- ANSSI checkpoint: https://www.anssi.gouv.fr/
Mito check. Author: soulemike. Open-source licences.
Open-source licences. CIS Benchmark material © Center for Internet Security, Inc.; CISA SCuBA baselines are public domain (CC0).
© 2026 Virtual Petals. Mito is a Virtual Petals service, hosted in Microsoft Azure UAE North.