Swap OS disk to storage account

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Quick post to remember what actions have to be made to swap your OS disk to a VHD disk in a storage account (yes swapping from MD to UMD, I know probably I’m crazy, but for golden images it is great).

But imagine that you have a VM running a MD disk and you need to swap that OS Disk with and UMD… how can you that?

# Get the VM 
$vm = Get-AzVM -ResourceGroupName myResourceGroup -Name myVM 

# Make sure the VM is stopped\deallocated
Stop-AzVM -ResourceGroupName myResourceGroup -Name $vm.Name -Force

# Set the VM configuration to point to the new disk
Set-AzVMOSDisk -VM $VirtualMachine -Name "osDisk.vhd" -VhdUri "https://mystorageaccount.blob.core.windows.net/disks/osdisk.vhd"

# Update the VM with the new OS disk
Update-AzVM -ResourceGroupName myResourceGroup -VM $vm 

# Start the VM
Start-AzVM -Name $vm.Name -ResourceGroupName myResourceGroup

That’s all! Your VM is running with vhd disk šŸ™‚

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