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 ...

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 ...

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 ...

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 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 ...

Security researchers and U.S. government authorities alike are urging admins to address Microsoft’s critical privilege escalation flaw. Proof-of-concept (PoC) exploit code has been released for a ...

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 ...