HOW TO: Configure Windows 2000 Telnet Service to Not Require NTLM

This step-by-step article describes how to configure the Windows 2000 Telnet Service so that it does not require NTLM.

By default, the Telnet service supplied with Windows 2000 requires NTLM authentication. However, if Windows 2000 is configured to use Kerberos as its default authentication method, then Telnet users are not able to obtain access to domain/AD resources including network validation.

Configure the Windows 2000 Telnet Service to Not Require NTLM

To configure the Windows 2000 Telnet Service to not require NTLM:

1. At a command prompt, type tlntadmn.exe, and then press ENTER.
2. Choose option 3, Display / change registry settings.
3. Choose option 7, NTLM.
4. Change the default setting from 2 to 0 to disable the NTLM requirement.