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Uploaded VHD is not supported when you create a VM in Azure

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This article provides a solution to an issue in which you can't create a virtual machine using an uploaded VHD.

Original product version:   Virtual Machine running Windows, Virtual Machine running Linux
Original KB number:   4053292

Symptoms

When you create a virtual machine in Microsoft Azure by using an uploaded VHD, the deployment fails and returns the following error message:

New-AzureRmVM : Long running operation failed with status 'Failed'.

ErrorCode: InvalidVhd

ErrorMessage: The specified cookie value in VHD footer indicates that disk 'diskname' with blob https://xxxxxx.blob.core.windows.net/vhds/samplename.vhd is not a supported VHD. Disk is expected to have cookie value 'conectix'.

Cause

This problem occurs for one of the following reasons:

  • The VHD does not comply with the 1 MB alignment (offset). The supported disk size should be 1 MB * N. For example, the disk should be 102,401 MB.
  • The VHD is corrupted or not supported.

Resolution

To resolve this problem, resize the disk to comply with 1 MB alignment:

  • In Windows, use the Resize-VHD PowerShell cmdlet.

    Note

    Resize-VHD is not an Azure PowerShell cmdlet.

  • In Linux, use the qemu-img command.

For more information about how to create and upload a VHD for creating Azure VM, see the following articles:

Upload and create a Linux VM from custom disk image by using the Azure CLI 1.0

Create and upload a Windows Server VHD to Azure

If the problem continues to occur, this may indicate a corrupted VHD. In this situation, we recommend that you rebuild the VHD from scratch. For more information, see the following articles:

Contact us for help

If you have questions or need help, create a support request, or ask Azure community support. You can also submit product feedback to Azure feedback community.