Windows Server

How to install Telnet via the command line and GUI in Windows 10 and Windows Server

Telnet is a protocol that provides a command-line interface for communicating with a remote device or server. Sometimes employed for remote management but also for initial device setup like network hardware and was developed in 1969. Telnet stands for Teletype Network, but it can also be used as a verb; ‘to telnet’ is to establish a connection using the Telnet protocol. Kindly refer to these guides on similar articles on Telnet “how to install Telnet via the command line“, “Error: Telnet is not recognized as an internal or external command” and “Telnet Error: Could not open a connection to the host, on the port, connect failed“.

Command Line: The easiest and fastest way to install telnet to a Windows Server is from a command line.
– Via Command Prompt (CMD) run the following command below

dism /online /Enable-Feature /FeatureName:TelnetClient

Via PowerShell: run the following command below to install Tenet via PowerShell. Running the command below, the success state is True because Telnet has been installed previously.

Install-WindowsFeature -name Telnet-Client

Control Panel: This process is a-bit completed. I will recommend installed telnet via the command line.
– Launch the Control Panel windows as shown below
– Navigate to Program
– Click on Turn Windows Features on or off

On Window 10, This will open up the Windows Feature, 
- Select Telnet client and 
- Click on Ok

Note: On a Server, you will be prompted with the Add Roles and Features wizard as shown below if you launch control panel in Windows Server.

Via Server Manager: This can also be achieved from Server Manager
– Click on Manage
– Click on Add Roles and Features

– Click on Next
– Select Role-based or feature-based installation

On the server selection, you will have to select the server you want to install Telnet on. Since I have only one server, I will click on continue.
– Click on Next

Under the server role, do not select anything as we are only interested in installing a feature.
– Click on Next

– Click on Telnet and
– Click on Install and
– Click Finish on the result window to complete the Telnet installation.

Note: Because I have had already telnet installed, The install button is grayed out. To test if Telnet works correctly, see the image below
– Type Telnet and
– Click on Enter on your keyboard

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