Microsoft has confirmed a new known issue affecting Windows Server 2016 systems that causes domain controller lookups to fail ...

System administrators, run the May 12 patch immediately if you haven't already.

Microsoft is investigating LSASS memory leaks (caused by Windows Server updates released during the November Patch Tuesday) that might lead to freezes and restarts on some domain controllers. LSASS ...

When you log in to a Windows 11/10 domain-joined machine and try to connect to the already mapped drive or multiple client workstations are unable to correctly ...

Microsoft confirmed a Windows Server 2016 issue that can break domain controller discovery after installing KB5087537.

Microsoft has updated its guidance for securing Domain Controllers (DCs). Previously, the company told customers not to allow internet access on DCs in any scenario. This is not the case anymore. Many ...

In two previous articles (here and here) I shared some classic Active Directory mistakes people have made that got their companies into serious trouble. Here’s another mistake that on the face of it ...

A single flaw in the way Windows domain controllers verify network identities has given attackers a shortcut to total control of corporate and government networks since 2020, and security agencies ...

This post provides the most suitable solutions to the issue whereby Group Policies are not applying as well as not replicating between Domain Controllers in a typical Windows Server environment. If ...

At our organization I'm responsible for our Windows infrastructure and another guy looks after all the Linux/*nix stuff. We're currently running a domain using Windows 2003 R2 Domain Controllers with ...

SafeBreach researchers demonstrate how attackers can crash Windows domain controllers and build a botnet using unauthenticated RPC and LDAP vulnerabilities. At DEF CON 33, security researchers ...