Active Directory FundamentalsActive Directory Policies

AD high-availability: RODCs and cross-site redundancy

Active Directory high availability Design for the worst day: local logons at branch speed, safe failover by intent—not accident. RODC Sites & Services Next Closest Site Password Replication Policy Definition (snippet-ready): AD high availability with RODCs and…
Active Directory FundamentalsActive Directory PoliciesRecent Posts

Transitioning AD schema versions safely: runbook & pitfalls

Active Directory The schema is your forest’s data contract. When you raise its version—via adprep or app extensions—you change what can exist and how it behaves. This self-contained guide explains the why, the risks, and a precise runbook you can use in…
Active Directory FundamentalsActive Directory PoliciesRecent AD NewsTop Read Articles

DNS delegation architectures for multi-forest environments

Architecture • DNS • Active Directory If you run more than one Active Directory forest, DNS is the fabric that lets users, apps, and domain controllers in one forest reliably find resources in another. The right DNS delegation architecture makes cross-forest name…
Active Directory Policies

Block windows app installation with elevated privileges using GPO

In an enterprise IT environment, controlling the permissions and actions of the Windows Installer is crucial for maintaining security and consistency. Allowing the Windows Installer to use elevated permissions during program installations can lead to unexpected changes and…
Active Directory Policies

GPO to prevent regular users from changing MSI installation options

In a managed IT environment, ensuring the consistency and security of software installations is essential. Allowing regular users to change installation options during the installation of an MSI package can lead to configuration discrepancies and potential security risks. In…
Active Directory Policies

GPO to prevent autoplay on non-volume devices

Autoplay is a feature in Windows that automatically executes a predefined action when a new device, such as a USB drive, camera, or phone, is connected to the system. While convenient, it can pose a security risk, particularly in an enterprise environment, as it can lead to…

Recent Posts

Active Directory FundamentalsActive Directory PoliciesRecent Posts

Transitioning AD schema versions safely: runbook & pitfalls

Active Directory The schema is your forest’s data contract. When you raise its version—via adprep or app extensions—you change what can exist and how it behaves. This self-contained guide explains the why, the risks, and a…
Active Directory FundamentalsRecent Posts

What is an N-Day Exploit? Definition, Mechanism & Security Risks

An n-day exploit targets a vulnerability after public disclosure, weaponizing the delay between a vendor’s fix and enterprise patch adoption. Definition (snippet-friendly): An n-day exploit is a cyberattack that targets a known…
Recent AD NewsRecent PostsTop Read Articles

FIDO Downgrade Attack Hits Microsoft Entra ID

Researchers show how spoofing unsupported browsers can force users off passkeys, exposing Entra ID accounts to phishing and session hijack.  Who/What/When: On August 13, 2025, security researchers detailed a FIDO downgrade attack…
Hand-picked ResourcesRecent AD NewsRecent Posts

Storm-0501 Exploits Microsoft Entra ID to Wipe and Ransom Azure Data

In August 2025, Microsoft warned that Storm-0501, a financially motivated ransomware group, is abusing Microsoft Entra ID and hybrid Active Directory synchronization accounts to seize control of entire cloud environments. Victims…
Active Directory FundamentalsAzure AD FundamentalsRecent Posts

Before migrating to Active Directory Domain Services (AD DS) 2022

In today’s dynamic IT landscape, the need for organizations to be agile and adaptable is more pronounced than ever. Active Directory Domain Services (AD DS) stands as the cornerstone of organizational identity. While the allure…
Active Directory FundamentalsRecent Posts

How to change the IP address of a domain controller

The domain controller (DC) is an integral part of your IT infrastructure. Due to its role within the domain, it’s crucial that any change to its IP is done correctly. The DC’s address is statically assigned to the…
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