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 ...

I'm exploring replacing a NT4 server which is the domain controller and file server for a small network of 6 client machines. However, I've never used samba before, or anything else to do it.<BR>The ...

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 ...

Since their release on Patch Tuesday, the updates have been breaking Windows, causing spontaneous boot loops on Windows domain controller servers, breaking Hyper-V and making ReFS volume systems ...

Microsoft’s May Patch Tuesday update is triggering authentication errors. Microsoft is alerting customers that its May Patch Tuesday update is causing authentications errors and failures tied to ...

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 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 ...

The US Cybersecurity and Infrastructure Security Agency (CISA) has taken the unusual step of removing a bug from its catalog of vulnerabilities that are known to be exploited, and which federal ...

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 ...

Microsoft squashed 74 security vulnerabilities with its May 2022 Patch Tuesday update, including an important-rated zero-day bug that's being actively exploited in the wild and several that are likely ...