Cannot boot after vhd hard drive is resized in VirtualBox



The ability to resize a Virtual Hard Disk (VHD) in VirtualBox is an incredibly useful feature for IT admins. It allows them to quickly adjust the size of their virtual disks to match the needs of their environment. Unfortunately, if the VHD is resized incorrectly, it can cause serious issues, such as the inability to boot up the operating system.

This is a common problem experienced by IT admins who attempt to resize their VHDs using VirtualBox. In this scenario, the VHD is resized and the operating system can no longer boot up. This is because the partition table information, which is stored in the VHD, has been modified and the operating system can no longer locate the partition that contains the bootloader.

The solution to this problem is to use a third-party tool to recover the partition table information. This tool can be used to read the partition table information from the VHD and recreate the missing partition. Once the partition is recreated, the operating system should be able to boot up again.

It is important to note that resizing a VHD in VirtualBox can cause other issues as well. For example, the guest operating system may not recognize the new size of the VHD and may experience issues when writing to the disk. In this case, the operating system may need to be reinstalled in order to take advantage of the new size.

When resizing a VHD in VirtualBox, it is important to ensure that the partition table information is not lost. The best way to do this is to use a third-party tool to back up the partition table information before resizing the VHD. This will ensure that the partition table information is retained and the operating system can be booted up again in the event of an issue.

In summary, IT admins should be aware that resizing a VHD in VirtualBox can cause serious issues if not done correctly. In particular, the partition table information may be lost and the operating system will not be able to boot up. If this happens, a third-party tool can be used to recover the partition table information and the operating system should be able to boot up again. Additionally, it is important to back up the partition table information before resizing the VHD in order to avoid any potential issues.

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