Azure – Unable to ping Azure Virtual Machine from outside Azure

Explore Azure and Powershell

You buy a new Azure subscription, spin up an Azure Virtual Machine. Now you want to test if it is working or not. So, you pull up the infamous Command Prompt (or powershell) and Ping the VIP (Virtual/Public IP) of your Azure Virtual Machine. Wola!! The ping fails with 100% loss. But you can see that the Azure Portal shows that your virtual machine is up and running. To double check, you even RDP to your VM and it is all good. This is one of the many situations where the Azure new comers get confused. Let me break down this for you:-

The explanation for this behaviour is that the good old, Windows Ping.exe uses ICMP protocol to communicate. But the Azure Load Balancer does not support ICMP protocol when a connection is being made from external source to Azure. This means, your local computer will not be able to…

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