Virtual Hard Disk and Windows Azure
How to handle a dynamic VHD when uploading to Windows Azure--use this Windows PowerShell cmdlet.
John Savill
March 8, 2014
1 Min Read
![Virtual Hard Disk and Windows Azure Virtual Hard Disk and Windows Azure](https://eu-images.contentstack.com/v3/assets/blt07f68461ccd75245/blt00c5a10ee8c05b42/661cfbf678eefe4e4af8141d/rainbow-phone-595x335_0_2.jpg?width=1280&auto=webp&quality=95&format=jpg&disable=upscale)
Q: Do I have to convert a dynamic virtual hard disk (VHD) to fixed before uploading to Windows Azure?
A: Windows Azure only supports fixed VHD files. However, there is no need to manually convert a dynamic VHD to fixed when uploading to Windows Azure using Windows PowerShell.
The Add-AzureVhd cmdlet will automatically perform the conversion to a fixed VHD. Additionally only blocks with data are actually sent to Windows Azure minimizing the amount of data sent and speeding up the actual transfer.
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