The various versions of Windows have used Kerberos as its main authentication protocol for over 20 years. However, in certain circumstances, the OS has to use another method, NTLM (NT LAN Manager).

Each domain is its own forest root. An IIS server in DomainC needs to mount a a folder from a server in DomainB as a virtual directory for a website. This requires a forest trust. For PCI-DSS ...

Microsoft has confirmed customer reports of NTLM authentication failures and high load after installing last month's Windows Server security updates. According to a new entry added to the Windows ...

Microsoft announced earlier this week that the NTLM authentication protocol will be killed off in Windows 11 in the future. NTLM (short for New Technology LAN Manager) is a family of protocols used to ...