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 ...

Changing network settings on a domain controller can be a risky ordeal. It’s best avoided, but if you must do it make sure to follow these tips. Active Directory domain controllers (DCs) are probably ...

If the hardware behind your domain controllers has become outdated, here's a step-by-step guide to performing a hardware refresh.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 ...

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 ...

How Windows Clients Find Domain Controllers Any discussion of DNS and Active Directory must come quickly to a discussion of the AD “signposts” known as the SRV (service locator) records. SRV is just ...

We're having a funky problem with Citrix/NT4 and I wanted to see if anyone else has run into this.<BR><BR>When a user tries to connect to a Citrix application they ...

In the first part of this series, I talked about how you could recover your server after a system volume failure. In this article, I want to turn my attention to some special procedures used for ...

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 ...

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 ...