Again in October of 2023, Microsoft expressed its want to disable NTLM (New Expertise LAN Supervisor) authentication. With the discount in utilization of the NTLM protocol, the corporate ultimately wished to disable it. Following that, in June earlier this 12 months, Microsoft confirmed that it was deprecating NTML past Home windows 11 24H2 and Home windows Server 2025 and thus, the characteristic would not be out there in future Home windows shopper and server variations.

Nonetheless, it seems like the corporate is now in a little bit of a rush because it has already begun eradicating NTLM on Home windows 11 24H2 and Home windows Server 2025. This week, it introduced that NTLMv1 has been faraway from the aforementioned Home windows editions.

Microsoft has up to date the notification on its deprecated options web page which now says:

All variations of NTLM, together with LANMAN, NTLMv1, and NTLMv2, are not underneath energetic characteristic improvement and are deprecated. Use of NTLM will proceed to work within the subsequent launch of Home windows Server and the following annual launch of Home windows. Calls to NTLM needs to be changed by calls to Negotiate, which is able to attempt to authenticate with Kerberos and solely fall again to NTLM when crucial.

[Update – November 2024]: NTLMv1 is eliminated beginning in Home windows 11, model 24H2 and Home windows Server 20205[sic].

The corporate has additionally knowledgeable about it on its eliminated options web page:

NTLMv1 is eliminated beginning in Home windows 11, model 24H2 and Home windows Server 2025.

NTLM has proven how weak it’s in fashionable instances and a latest instance is 0patch issuing an unofficial micro-patch for such a safety flaw.

Except for NTLMv1, one other safety characteristic has additionally been eliminated on Home windows 11 24H2. First introduced again in 2022, the corporate has confirmed that it has now eliminated Home windows Info Safety (WIP) or enterprise information safety (EDP). The characteristic was meant to guard towards unintended information leaks. Microsoft writes:

Home windows Info Safety is eliminated beginning in Home windows 11, model 24H2.

You will discover the listing of eliminated options right here on Microsoft’s official web site.