Microsoft has resolved a known issue that caused some Windows Server 2025 domain controllers to become unreachable after a restart and triggered app or service failures. Microsoft has fixed a known ...

One of the most helpful native tools for troubleshooting problems with domain controllers is DCDiag. In this article, I will show you the basics of using this helpful tool. DCDiag was introduced early ...

You shouldn’t change domain controller network settings, but here’s how to do it if you must Your email has been sent Active Directory domain controllers (DCs) are probably the most change-averse ...

Microsoft warns of credential-stealing NTLM relay attacks against Windows domain controllers Your email has been sent Microsoft is sounding an alert about a threat against Windows domain controllers ...

Microsoft recently released a patch (CVE-2020-1472) to fix a software issue in the Microsoft Windows Netlogon Remote Protocol (MS-NRPC). As noted on a Secura blog, an unauthenticated attacker with ...

Sounds funny, but believe it or not, it's real. Since its release in Windows Server 2012, Hyper-V supports cloning of Domain Controller VMs. Cloning may seem an incredibly naughty task for a domain ...

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 ...

Microsoft has posted advisory and detailed instructions on protecting Windows domain controllers and other Windows servers from the NTLM Relay Attack known as PetitPotam. The PetitPotam take on the ...

If you use Windows Server Systems in your small business, one of your computers acts as a domain controller (DC). However, it can be difficult to know which computer is the domain controller, ...

Microsoft has released an unscheduled update to patch a critical security hole that is being actively exploited to hack Windows-based servers. A flaw in the Windows implementation of the Kerberos ...

Security researchers have devised a way to block the recently disclosed PetitPotam attack vector that allows hackers to take control of a Windows domain controller easily. An new version of the ...