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Yooakim
Asked: 2016-11-15 04:07:28 +0800 CST

HOW-TO resolve "Add-AzureRmVhd : The remote server returned an error: (400) Bad Request."

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I am trying to add a VHD image from my local filesystem to Azure BLOB storage. Whenever I do this after about 6 minutes I get the error "The remote server returned an error: (400) Bad Request". I use the following steps to upload the image (using Azure Resource Manager):

PS C:\Users\myuser> Set-AzureRmContext -SubscriptionId aaaaaaaa-bbbb-cccc-dddd-0123456789012

Environment           : AzureCloud
Account               : [email protected]
TenantId              : aaaaaaaa-bbbb-cccc-dddd-0123456789012
SubscriptionId        : aaaaaaaa-bbbb-cccc-dddd-0123456789012
SubscriptionName      : MySubscription
CurrentStorageAccount :

PS C:\Users\myuser>
PS C:\Users\myuser> $rgName = "MyResourceGroupName"
PS C:\Users\myuser> $urlOfUploadedImageVhd = "https://myblobaccount.blob.core.windows.net/myvirtualmachine.vhd"
PS C:\Users\myuser>
PS C:\Users\myuser> Add-AzureRmVhd -ResourceGroupName $rgName -Destination $urlOfUploadedImageVhd -LocalFilePath C:\Users\myuser\myvirtualmachine.vhd
MD5 hash is being calculated for the file  C:\Users\myuser\myvirtualmachine.vhd.
MD5 hash calculation is completed.
Elapsed time for the operation: 00:06:29
Creating new page blob of size 136365212160...
Add-AzureRmVhd : The remote server returned an error: (400) Bad Request.
At line:1 char:1
+ Add-AzureRmVhd -ResourceGroupName $rgName -Destination $urlOfUploaded ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : CloseError: (:) [Add-AzureRmVhd], StorageException
    + FullyQualifiedErrorId : Microsoft.Azure.Commands.Compute.StorageServices.AddAzureVhdCommand

I have no idea how to debug this further? I would very much appreciate any help in finding out what is going wrong.

azure

3 Answers

  1. Your Azure Storage Account type is "Blob Storage". According to docs, it doesn't do page blobs, which are required for VMs.

    Fix this by uploading into a General Purpose storage account. More info in my blog.

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  2. Add -Debug switch to see the actual REST calls.

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  3. It might help to try manually uploading a page blob on the azure portal website to find the cause of the issue. For a VHD you need a page blob. Note that these are not supported on zone redundant storage accounts. More details can be found here.

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