IPv6 subnets count should be retrievable
AD-SUB-04InfoActive DirectorySites and subnets
Part of Active Directory · Active Directory · Sites and subnets · All checks
Invoke-Maester -TestId AD-SUB-04Overview
Section titled “Overview”IPv6 subnet configuration is important for:
- Future-proofing: IPv6 adoption continues to grow
- Dual-stack environments: Supporting both IPv4 and IPv6 clients
- Compliance: Meeting IPv6 readiness requirements
- Modern networks: Many modern networks are IPv6-first
Understanding IPv6 subnet deployment helps assess the organization’s IPv6 readiness.
Control Type
Section titled “Control Type”Operational
Security Recommendation
Section titled “Security Recommendation”- Define IPv6 subnets for all locations where IPv6 is deployed
- Ensure IPv6 subnets mirror IPv4 site topology
- Document IPv6 addressing scheme
- Plan for IPv6-only client support
How the Test Works
Section titled “How the Test Works”This test counts subnets that use IPv6 address format (containing colons).
Related Tests
Section titled “Related Tests”Test-MtAdSubnetIpv6CatchAllCount- Identifies overly broad IPv6 subnetsTest-MtAdSubnetTotalCount- Counts total subnetsTest-MtAdSubnetSiteAssociationCount- Counts sites with subnets
Details
Section titled “Details”Every attribute of this check
| Field | Value |
|---|---|
| Test ID | AD-SUB-04 |
| Severity | Info |
| Suite | Active Directory |
| Product | Active Directory |
| Feature | Sites and subnets |
| Area | Infrastructure hardening |
| Resource type | AdSite |
| MITRE ATT&CK | None |
| PowerShell test | Test-MtAdSubnetIpv6Count |
| Services | ActiveDirectory |
| Permissions | ActiveDirectory:Ldap:subnet:ReadProperty |
Source
Section titled “Source”- Test:
tests/ad/site/Test.AD-SUB-04.ps1 - Documentation:
tests/ad/site/Test.AD-SUB-04.md