Earlier this week I saw a situation in which someone with a small, single-domain controller network performed a restoration of their domain controller. This restoration effectively reverted the ...

Active Directory and disaster recovery Using a “lag site”, an additional domain controller on a separate subnet, and then scheduling inter-site replication to occur only once a week with the ...

A Domain Controller handles authentication, enforces security policies, and enables users and device management across an Active Directory Domain. In this guide, we walk through each step of ...

Microsoft has resolved a known issue that caused some Windows Server 2025 domain controllers to become unreachable after a ...

Picking up the pieces after a failed domain controller demotion Your email has been sent DCPROMO is supposed to make the task of demoting a domain controller easy. So what do you do if DCPROMO fails?

In this case, if you can successfully ping the domain controller but cannot join the computer, you can refer to the suggestions provided in this guide to resolve the issue. If you are having AD ...

A recent report from Microsoft reinforces warnings about the critical role Active Directory (AD) domain controllers play in large-scale ransomware attacks, aligning with U.S. government advisories on ...

Domain controllers hosting Active Directory Domain Services use a type of replication to synchronize changes. An experienced attacker can mimic the legitimate replication activity of a domain ...

Recently our organization sought to make two meaningful changes to its sync relationship: set up a non-domain-controller AD Connect server configure the existing sync server as a standby for ...