This process uploads the upgrade vhd file to an Azure storage bucket. The file is used to create a virtual hard disk from which you can boot Azure virtual machines to upgrade.
Procedure
Upload the Azure vhd file to a blob in azure.
In the Azure portal, select Storage Accounts.
Select the storage account to which you want to upload the .vhd file.
Under BLOB SERVICE, select Containers.
Select the container to which you want to upload the .vhd file.
Click Upload and select the .vhd file to upload.
Set the Blob type to Page Blob. This process can take a long time depending on your network connection and the location of your Azure storage account.
Under Settings > Disks, click Create managed disk.
Select the Resource group.
Enter the disk name in Disk name.
Select the Region.
Select Source type.
Select Source blob. Browse to and select the upgrade .vhd file.
Select the OS type.
Select the require disk size to 256GB. The disk must be that size to accommodate backup and restore archives during the upgrade process.
