az-serial-console
Access the serial console of Azure virtual machines
TLDR
Connect to a VM's serial console
$ az serial-console connect --name [MyVM] --resource-group [MyResourceGroup]
Enable serial console for a VM$ az serial-console enable --name [MyVM] --resource-group [MyResourceGroup]
Disable serial console for a VM$ az serial-console disable --name [MyVM] --resource-group [MyResourceGroup]
Send NMI (Non-Maskable Interrupt) to a VM$ az serial-console send nmi --name [MyVM] --resource-group [MyResourceGroup]
SYNOPSIS
az serial-console subcommand [options]
DESCRIPTION
az serial-console provides direct serial console access to Azure VMs for troubleshooting. Serial console enables text-based access to VMs when network connectivity or SSH/RDP is unavailable.
This is useful for debugging boot issues, network misconfigurations, or when the VM's operating system is unresponsive.
PARAMETERS
--name -n
Name of the virtual machine.--resource-group -g
Name of resource group.
SUBCOMMANDS
connect
Connect to the serial console of a VM or VMSS instance.enable
Enable serial console for a VM.disable
Disable serial console for a VM.send nmi
Send a Non-Maskable Interrupt to a VM.
CAVEATS
Requires Azure CLI and appropriate RBAC permissions. Serial console access requires boot diagnostics to be enabled on the VM. Not available for all VM sizes or regions.