az storage account create -name chrteststorageaccount -resource-group DemoRSC In Azure you will need to create a storage account: ( use Azure CLI in your terminal) If you prefer GUI, you can do this few steps on Azure portal, the parameters are the same. Convert VHDX image to a VHD! For this, use Powershell and use fixed type virtual disk! Convert-VHD -Path C:\temp\chr-6.46.7.vhdx -DestinationPath C:\temp\chr-6.46.7.vhd -VHDType Fixed Azure supports only VHD files to create OS images.