Description of the Registry Entries for the Telnet Server Service
ID: Q226107
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The information in this article applies to:
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Microsoft Windows 2000 Advanced Server
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Microsoft Windows 2000 Datacenter Server
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Microsoft Windows 2000 Server
IMPORTANT: This article contains information about editing the registry.
Before you edit the registry, make sure you understand how to restore it if
a problem occurs. For information about how to do this, view the "Restoring
the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help
topic in Regedt32.exe.
SUMMARY
This article describes the registry entries associated with the Windows 2000 Telnet Server service.
For information about how to use the Telnet Server service, please see the following article in the Microsoft Knowledge Base:
Q225233 Description of the Telnet Server Service Administration Tool
MORE INFORMATION
WARNING: Using Registry Editor incorrectly can cause serious problems that
may require you to reinstall your operating system. Microsoft cannot
guarantee that problems resulting from the incorrect use of Registry Editor
can be solved. Use Registry Editor at your own risk.
For information about how to edit the registry, view the "Changing Keys and
Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete
Information in the Registry" and "Edit Registry Data" Help topics in
Regedt32.exe. Note that you should back up the registry before you edit it.
If you are running Windows NT, you should also update your Emergency
Repair Disk (ERD).
The Telnet Server service values are located in the following registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\TelnetServer\1.0
The possible Telnet Server registry values and data types include:
Name Data type Values
--------------------------------------------------------------------------
AllowTrustedDomain REG_DWORD 0x00: Prevent users from logging
in using an account from a
trusted domain.
0x01: Allow users from a trusted
domain to logon. (default)
AltKeyMapping REG_DWORD 0x00: Press CTRL+A.
This key combination emulates
the ALT key. This enables you to
send an ALT combination to
programs running on SFU Telnet
servers.
0x19: Press CTRL+Z.
This key combination emulates
the ALT key. This enables you to
send an ALT combination to
programs running on SFU Telnet
servers.
DefaultDomain REG_EXPAND_SZ Uses default Windows domain for
login authentication.
DefaultShell REG_EXPAND_SZ Defines the full path of
the shell or command
interpreter that runs
when a Telnet user logs
on. The default is Windows NT
Command Prompt (Cmd.exe), but can
be set to a UNIX shell.
LoginScript REG_EXPAND_SZ Sets the full path of a batch
file when a Telnet user logs on.
This is similar to a global
.cshrc file or profile in UNIX.
MaxConnections REG_DWORD Applies only if you
purchase a license through
Services for UNIX. In Windows
2000, the Telnet Server service
has a hard coded limit of two
simultaneous connections.
MaxFailedLogins REG_DWORD Determines the number of
unsuccessful logons before a user
is disconnected. (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 Transmission Control
Protocol (TCP) port for Telnet
connections. (default is 23)
TermCap REG_EXPAND_SZ Sets the full path to the
"terminal capabilities" file.
This file is similar to a UNIX
file, which is used to define
standard layouts and key mappings
for common emulation types (for
example, VT52, VT100, and ANSI).
NumThreadsPerProcessor REG_EXPAND_SZ Determines the number of threads
assigned to each processor for
execution. The default value is
set to 10. The minimum value
is 2.
NOTE: The NumThreadsPerProcessor value is located in the following registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\TelnetServer\1.0\Performance
If you change any of these registry values, you have to stop and then restart the Telnet Server service.
Additional query words:
Keywords : kbenv
Version : WINDOWS:2000
Platform : WINDOWS
Issue type : kbinfo