Event details
NTLM (New Technology LAN Manager) in Windows 11 is being phased out in favor of more secure protocols like Kerberos. Learn the history of NTLM and the associated security risks. Explore how auditing ...
Heather_Poulsen
Updated Feb 26, 2026
AWTG
Mar 03, 2026Occasional Reader
Hi Heather_Poulsen sorry I meant 'retired'. As per KB ID: 5066470
NTLMv1 will be blocked in Oct'26. I want to confirm that's still the plan or is v2 also set to be disabled later this year?
mariam_gewida
Microsoft
Mar 03, 2026Our plan is for NTLMv2 to be disabled by default in the next major release of server and client: Advancing Windows security: Disabling NTLM by default - Windows IT Pro Blog