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Convert VHDX from GPT to MBR (Fix P2V Conversion Failed)

If you encountered P2V conversion fails in P2V conversion tools like System Center Virtual Machine Manager and have no idea how to resolve the issue, read on this page. We will show you how to convert VHDX from GPT to MBR with easy and safe steps to fix the issue.

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Updated on Apr 22, 2024

Many users have reported that they are experiencing P2V conversion failure while operating via P2V conversion tools like System Center Virtual Machine Manager, Disk2Vhd, VMware P2V Assistant, PlateSpin Migrate, etc.

"The Virtual Machine Manager P2V Agent service terminated unexpectedly. It has done this 1 time(s). The following corrective action will be taken in 0 milliseconds: Restart the service."

If you are getting a similar message when P2V conversion fails, it's most likely that there's a GUID Partition Table (GPT) formatted disk in your machine. Continue reading this article from EaseUS and learn how to convert VHDX from GPT to MBR to resolve the failure.


Why Do You Need to Convert VHDX from GPT to MBR

Hyper-V does not support either EFI or UEFI BIOS, and P2V conversion tools like VMM also don't provide support for the conversion of machines with GPT disks. Therefore, you must convert the GPT disk to master boot record (MBR) format first to ensure the success of migrating physical machines with GPT disk to virtual machines.

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How to Convert VHDX from GPT to MBR

Now that you know why you failed to execute P2V conversion, this section will offer you an easy method to convert VHDX to MBR.

To allow the conversion of machines with GPT partitions, you must first convert the GPT partition to MBR. Then here comes another question: How to convert VHDX from GPT to MBR without data loss if there are programs and files on it?

EaseUS Partition Master Professional is your best answer. As one of the most reputed disk partition management tools, this reliable tool offers a Disk Converter feature that can convert virtual hard disks from GPT to MBR and vice versa.

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With the help of EaseUS Partition Master, you can skip the backup and restore process to complete the GPT/MBR conversion without losing any data on the VHDX.

First, you can mount the VHDX via EaseUS Partition Master. Then, follow the steps below to convert VHDX to MBR with ease:

Step 1. Install and launch EaseUS Partition Master on your computer, go to the Disk Converter section.

Step 2. Select "Convert GPT to MBR" and click "Next" to continue.

convert GPT to MBR

Step 3. Select the target GPT disk that you want to convert to MBR, and click "Convert" to start the conversion.

convert GPT to MBR

After converting VHDX from GPT to MBR, restart the computer, and then you should be able to successfully convert a physical machine into a virtual machine via Disk2Vhd, VMM, or other tools.

Besides converting virtual hard disks between GPT and MBR, EaseUS Partition Master also supports:


If you are looking for a way to resolve the PV2 conversion fail issue, this page includes everything you need. A professional disk conversion tool - EaseUS Partition Master, has the ability to convert VHDX from GPT to MBR without losing data. It also provides multiple powerful features that can help you better manage your physical and virtual disks.

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Convert VHDX from GPT to MBR FAQs

Below are several commonly asked questions by other users and answers you might be interested in.

1. Does Hyper-V support UEFI?

Yes, Hyper-V generation 2 VM has UEFI support, but generation 1 VM only supports legacy BIOS.

2. Which is better, VHD or VHDX?

VHDX offers a storage capacity of 64TB, better data protection, and performance, while VHD only supports 2TB capacity and has more limitations. However, users should choose the appropriate one according to their own needs.

3. Can you clone OS to virtual machine?

Yes, you can clone Windows OS to a virtual machine with professional tools like EaseUS Partition Master. This tool allows you to clone OS to a virtual hard disk with a few simple clicks.

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About the Author

Updated by Oliver

Oliver is an EaseUS professional writer who dares explore new areas. With a passion for solving tech issues with straightforward guides for common users, Oliver keeps honing his writing craft by developing in-depth solutions for disk and partition management, computer boot-up issues, file transfer, etc.

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