NTLM (NT LAN Manager) is a suite of Microsoft security protocols that provides authentication, integrity, and confidentiality for network communications. NTLM is used in a variety of applications, including web browsers, email clients, and file servers. To check the version of NTLM that is installed on a computer, you can use the following steps:
- Open the Command Prompt.
- Type the following command: nltest /dsgetdc:domainname
- Press Enter.
The output of the command will include the version of NTLM that is installed on the computer. For example, the following output indicates that NTLM version 6.0 is installed: