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 physical security is lacking, it becomes essential to increase the focus on data security. Windows Server 2008 and R2 provide some new ways to do so that seem uniquely tailored for environments ...

Microsoft says the April 2025 security updates are causing authentication issues on some Windows Server 2025 domain controllers. Microsoft warned IT admins that some Windows Server 2025 domain ...

Tony Northrup is a developer, security consultant and author with more than 10 years of professional experience developing applications for Microsoft Windows. Windows Server 2008 includes a handful of ...

I have my DHCP server (on Sonicwall) configured to give out the domain controller/DNS server ip as primary DNS, for secondary DNS I have set to give out 1.1.1.1, for tertiary 8.8.4.4 Does this comply ...

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 ...

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 has released an out-of-band patch to fix authentication failures on Windows after installing the May 10, 2022 security update on Windows Server domain controllers. "An issue has been found ...

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 ...

Windows seems to not let me remove the AAAA records from DNS for the DC. This breaks things. I can't even add the other DC as a domain controller until I remove the AAAA records. If I do that the ...

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 ...