JSI Tip 7142. Registry entries for the Telnet Server service.

The Windows 2000 Telnet Server service can be configured by modifying the registry values at
HKEY_LOCAL_MACHINESoftwareMicrosoftTelnetServer1.0:

Name                   Data type         Values--------------------------------------------------------------------------AllowTrustedDomain     REG_DWORD         0x00: Prevent users from logging                                         in with a trusted domain account.                                          0x01: Allow logging in with a trusted                                         domain account (default) AltKeyMapping          REG_DWORD         0x00: Press CTRL+A                                         to sent ALT key combinations                                         to programs running on SFU Telnet                                          servers.                                         0x19: Press CTRL+Z                                         to sent ALT key combinations                                         to programs running on SFU Telnet                                          servers.   DefaultDomain          REG_EXPAND_SZ     Use the default Windows domain for                                          login authentication.  DefaultShell           REG_EXPAND_SZ     Specifies the full path of                                         the shell or command interpreter that runs                                         when a Telnet user logs on. The default is                                          CMD.EXE, but can be set to a UNIX shell.                                         LoginScript            REG_EXPAND_SZ     Sets the full path of a batch                                         file than runs when a Telnet user logs on. MaxConnections         REG_DWORD         Unless you purchase a license through                                          Services for UNIX, the hard coded limit is                                          two simultaneous connections.                                          MaxFailedLogins        REG_DWORD         Determines the number of                                          failed logons before a user                                         is disconnected. (the default is 3)NTLM                   REG_DWORD         0x00: Disables Windows NT                                         LAN Manager (NTLM) authentication.                                         0x01: Attempts NTLM first, and                                         then uses clear text authentication.                                                                                  0x02: Uses NTLM authentication only.TelnetPort             REG_DWORD         Defines the TCP port for Telnet                                         connections. (the default is 23)  TermCap                REG_EXPAND_SZ     Sets the full path to the                                          "terminal capabilities" file that                                         defines standard layouts and key mappings                                          for common emulation types (for                                          example, VT52, VT100, and ANSI). NumThreadsPerProcessor REG_EXPAND_SZ     At HKEY_LOCAL_MACHINESoftwareMicrosoftTelnetServer1.0Performance                                         this value determines the number of threads                                          assigned to each processor for execution. The default value is 10.                                         The minimum value is 2.

NOTE: If you change any values, you must stop and start the telnet service. Open a CMD.EXE prompt and type:

net stop telnet
net start telnet

NOTE: See The tlntadmn.exe command-line tool for Telnet Server service configuration.