Azure Site Recovery: How to protect a large VHD image to Azure

KB7334333232Microsoft Azure Site Recovery users currently cannot directly protect Hyper-V Virtual Hard Disk (VHD)-formatted data disks whose size is greater than 1 terabyte. This situation occurs because of the Azure disk size data limit of 1 terabyte for Microsoft SQL Server Azure on infrastructure as a service (IaaS) virtual machines (VMs). The article below describes a workaround that involves the creation of a new striped disk drive that is made up of multiple smaller VHD images (that is, VHD images that are smaller than 1 terabyte). After the data is migrated to the new disk drive and the old, large VHD image is removed from the Hyper-V VM, Azure Site Recovery can be used to protect the VM.

For all the details please see the following:

KB3046082Azure Site Recovery: How to protect a large VHD image to Azure (

J.C. Hornbeck | Solution Asset PM | Microsoft GBS Management and Security Division

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