Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012
Communicates with a computer running the telnet server service. Running this command without any parameters, lets you enter the telnet context, as indicated by the telnet prompt (Microsoft telnet>). From the telnet prompt, you can use telnet commands to manage the computer running the telnet client.
[!IMPORTANT] You must install the telnet client software before you can run this command. For more information, see Installing telnet.
telnet [/a] [/e <escapechar>] [/f <filename>] [/l <username>] [/t {vt100 | vt52 | ansi | vtnt}] [<host> [<port>]] [/?]
| Parameter | Description | |||
|---|---|---|---|---|
| /a | Attempts automatic logon. Same as /l option, except that it uses the currently logged on user's name. | |||
/e <escapechar> |
Specifies the escape character used to enter the telnet client prompt. | |||
/f <filename> |
Specifies the file name used for client side logging. | |||
/l <username> |
Specifies the user name to log on with on the remote computer. | |||
| /t `{vt100 | vt52 | ansi | vtnt}` | Specifies the terminal type. Supported terminal types are vt100, vt52, ansi, and vtnt. |
<host> [<port>] |
Specifies the hostname or IP address of the remote computer to connect to, and optionally the TCP port to use (default is TCP port 23). | |||
| /? | Displays help at the command prompt. |
To use telnet to connect to the computer running the telnet Server Service at telnet.microsoft.com, type:
telnet telnet.microsoft.com
To use telnet to connect to the computer running the telnet Server Service at telnet.microsoft.com on TCP port 44 and to log the session activity in a local file called telnetlog.txt, type:
telnet /f telnetlog.txt telnet.microsoft.com 44