Searching for Ntlmv2 Support information? Find all needed info by using official links provided below.
https://support.microsoft.com/en-us/help/2793313/security-guidance-for-ntlmv1-and-lm-network-authentication
Jan 08, 2013 · What are the potential risks of enforcing NTLMv2? All supported versions of the Windows operating system support NTLMv2. Windows NT 4.0 SP6a also supports NTLMv2. Therefore, there is a very small compatibility risk. Third-party legacy implementations or configurations may have to be evaluated for any interoperability issues.
https://en.wikipedia.org/wiki/NT_LAN_Manager
NT LAN Manager (NTLM) Authentication Protocol Specification; Cntlm – NTLM, NTLMSR, NTLMv2 Authentication Proxy and Accelerator Personal HTTP(S) and SOCKS5 proxy for NTLM-unaware applications (Windows/Linux/UNIX) The NTLM Authentication Protocol and Security Support Provider A detailed analysis of the NTLM protocol.
Windows 8.x and later and Windows Server use NTLMv2 authentication by default, but in rare instances, this setting may become incorrect, even if the NTLM setting was previously correct. You only need to use one of the following methods.
https://docs.microsoft.com/en-us/windows/security/threat-protection/security-policy-settings/network-security-lan-manager-authentication-level
Configure the Network security: LAN Manager Authentication Level setting to Send NTLMv2 responses only. Microsoft and a number of independent organizations strongly recommend this level of authentication when all client computers support NTLMv2. Potential impact
https://support.microsoft.com/en-us/help/4090105/how-to-audit-domain-controller-use-of-ntlmv1-and-ntlmv2
May 07, 2018 · You may do this test before setting computers to only use NTLMv2. To configure the computer to only use NTLMv2, set LMCompatibilityLevel to 5 under the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa key on the domain controller.
https://support.symantec.com/us/en/article.HOWTO54161.html
Other versions of Windows can also have this issue if your organization's security policy does not support NTLMv1. If you do not make this change, it can affect authentication for users at your site. See Ensuring compatibility with NTLMv1 and NTLMv2. For more information, on the Internet go to the following URL and refer to section 10:
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