I've got a rather bizarre (to me at least) problem at the moment with one of the NT4 domains I run. It *appears* to have gotten worse since the network was upgraded to 100Mb/sec Cisco switches - they ...

Following a failed DCpromo I now find myself with a domain with no controllers... Some background - domain was running for years in production, two Win 2003 DCs, Win 2003 functional level. Hardware ...

Setting up a Domain Controller (DC) in a Windows server is crucial in managing a secure and centralized network. A Domain Controller handles authentication, enforces security policies, and enables ...

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 ...

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 ...

If the hardware behind your domain controllers has become outdated, here's a step-by-step guide to performing a hardware refresh. Although most of the resources on my network are virtual, I have 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?

Although domain controllers can be configured to obtain an IP address from DHCP, it’s best practice to configure a static IP address so that it can be reliably discovered across the network. You may ...

The False Sense of Security SMB signing on domain controllers has become standard practice across most Active Directory environments. But this hardening may have created a false sense of security. CVE ...