![Deploying AVD on Azure Stack HCI - Error - serviceClient returned an error while reconciling: rpc error: code = Unknown desc = AttachVirtualHardDisk for VhdPath - Microsoft Q&A Deploying AVD on Azure Stack HCI - Error - serviceClient returned an error while reconciling: rpc error: code = Unknown desc = AttachVirtualHardDisk for VhdPath - Microsoft Q&A](https://learn-attachment.microsoft.com/api/attachments/252743-avd.png?platform=QnA)
Deploying AVD on Azure Stack HCI - Error - serviceClient returned an error while reconciling: rpc error: code = Unknown desc = AttachVirtualHardDisk for VhdPath - Microsoft Q&A
Adam Arkwright | Technical Blog: Error apply Hard Drive changes | Failed to add device 'Synthetic Disk Drive' | Hyper-V
Cannot attach VHD after moving said VHD from the local machine to a network location - Microsoft Q&A
![Use caution when updating to Windows 10 RTM with data deduplication enabled volumes | mikefrobbins.com Use caution when updating to Windows 10 RTM with data deduplication enabled volumes | mikefrobbins.com](https://mikefrobbins.com/2015/07/30/use-caution-when-updating-to-windows-10-rtm-with-data-deduplication-enabled-volumes/dedup-prob2a.png)
Use caution when updating to Windows 10 RTM with data deduplication enabled volumes | mikefrobbins.com
![ISITZEN — Unable to convert the virtual hard disk to the new format. The virtual hard disk file is either damaged or locked. ISITZEN — Unable to convert the virtual hard disk to the new format. The virtual hard disk file is either damaged or locked.](http://static1.squarespace.com/static/54ed1930e4b0360a4990e146/55d89b6ee4b030f73b34ab06/5fbb15df60ed88028beb3af2/1606099718849/Unable-to-convert-the-virtual-hard-disk-to-the-new-format.png?format=1500w)
ISITZEN — Unable to convert the virtual hard disk to the new format. The virtual hard disk file is either damaged or locked.
![Fix Virtual Machine Management service encountered an error while configuring the hard disk - Technoresult Fix Virtual Machine Management service encountered an error while configuring the hard disk - Technoresult](https://technoresult.com/wp-content/uploads/2022/01/virtual-machine-management-service-encountered-an-error.jpg)
Fix Virtual Machine Management service encountered an error while configuring the hard disk - Technoresult
![FIX: VirtualBox Failed to open Hard Disk file. Cannot register virtual hard disk because a disk with the same UUID already exists.(Solved) - WinTips.org FIX: VirtualBox Failed to open Hard Disk file. Cannot register virtual hard disk because a disk with the same UUID already exists.(Solved) - WinTips.org](https://www.wintips.org/wp-content/uploads/2018/11/image-92.png)