How to fully backup virtual machines in Windows Azure

For those of you like me using the 90-day trial package of Windows Azure for testing purpose before moving on to the cloud, I want to backup all virtual machines unless my account will be disabled if it reaches spending limit. Recently another account
has been disabled so all virtual machines I created are removed. I've heard of the approach used to export virtual machines.
Thuan Soldier
A 23-year-old man loving Microsoft technologies and making crazy ideas on business journey.
SharePoint Vietnam |
Blog | Twitter

Hi Thuan,
When you hit the spending limit on a trail subscription, or an MSDN subscription with monthly limits, while it looks like your VMs are removed, the VHDs for those VMs still exist in your storage account and you can create VMs from them again when you enable
your subscription again (convert to pay-as-you-go, or wait for the next billing cycle in the case of subscriptions with on-going monthly limits).
Because of that, it isn't necessary to back them up relevant to the spending limit being hit.
And note that backing them up outside of Azure would incur egress fees which would cause you to hit your spending limit more quickly.
While it can be simpler to configure everything from scratch from new VMs created in Azure, another approach would be to configure them on-premises in Hyper-V, then upload them as either disks (to use for a single VM in Azure) or as images (generalized with
sysprep to use as a base template for multiple VMs). That way you already have a backup of the VHD in the copy you have on-premises. And, since inbound traffic is free, you don't have the same issue of hitting your spending limit more quickly (there will be
some outbound when doing an upload, but very little in comparison to a download).
Thanks,
Craig

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