How to Install Telnet in Windows 7 and Vista

How to install Telnet in Win 7 and Vista

When you open a command prompt and enter telnet command and get the following error as shown in below snapshot. It means telnet is not installed in your computer.

Error: ‘telnet’ is not recognized as an internal or external command, operable programs or batch file.

Telnet is not Working Fine

What is Telnet?

Telnet definition


Telnet host port

Host – Stands for the address of the service.

Port – This is a port number on which the service runs.

Port No Service Port No Service
21 FTP 143 IMAP
22 SSH 194 IRC
25 SMTP 445 SMB
53 DNS 1433 MSSQL
80 HTTP 3306 MySQL
110 POP3 3389 Remote Desktop
115 SFTP 5632 PCAnywhere
135 RPC 5900 VNC
139 NetBIOS 6112 Warcraft III

How to Install Telnet in Windows 7 and Vista computers?

If you want to use Telnet service in Windows Vista and Windows 7, first follow below steps to install Telnet service in your computer.

Following steps will enable Telnet service in your computer.


Go to “Start” Menu > Open “Control Panel” > Click on “Programs and Features” option.

Open Control Panel

Select Programs and Features


Click on “Turn Windows features on or off” under “Programs and Features” option.

Select Turn Features on or off


Now select checkbox for both “Telnet Client” and “Telnet Server” as shown in below snapshot.

Install Telnet


Click on “OK” button.

Telnet Installation Successful

Once the installation is completed, you can use Telnet feature in your computer, telnet is working properly.

Telnet is Working Fine

Now I hope you can easily install Telnet in Windows 7.

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