Telnet is disabled by default in Windows Server 2016. It is unfortunate because it’s great tool for developers and administrators to assist managing as well as test network connectivity. The fastest way to enable Telnet in your Windows Server 2016 is via the Command Prompt.
- Launch Command Prompt as administrator (elevated privilege)
- Then type the below command
|dism /online /Enable-Feature /FeatureName:TelnetClient|
Now that you have enabled telnet on your Windows Server 2016, you should be able to perform network troubleshooting in your environment.