In Vista, Disk Management is part of the Computer Management
console in Administrative Tools. One problem with Dynamic Disk is that it doesn’t work
on all versions of Windows. For example, Vista Home Edition doesn’t support dynamic
disk, probably so you will cost more for Vista advanced edition if you want to use the
feature. Search in Google, You have found many discussions of people who upgraded
operating system to Vista to find their dynamic disk invalid because dynamic disks are
only available in Vista Business, Enterprise, and Ultimate Edition.
User Cases:
1.I have a second hard drive from an older computer. It is formatted as a dynamic
drive, and now the disk appears as dynamic invalid in Vista. Is there a program
that will allow me to read a dynamic disk with Vista? Microsoft does not provide
an available way to solve the dynamic invalid problem. I have to seek for
help.
2. I just changed over my motherboard, and everything installed smoothly in Windows
Vista Ultimate. Just one of my Hard Disk is now not showing any file and folder.
Looking in disk management the drive comes up as "Disk 1, Dynamic, Invalid". Now
I have tired using a couple of data recovery programs but no success yet. Is
there any way that I can get the data off that drive onto another then format it
back to a basic disk?
3. A weird problem, I used to have 3 USB disks (dynamic) running fine under Vista
Ultimate. Then I made a fresh Windows 7 Home Premium install. Noticing that it
did not recognize my disks (and other problems as well), I decided to go back to
Vista Ultimate (using old Windows). But now the original Vista Ultimate
installation did not recognize them either! They have Dynamic Invalid status in
Disk Management Snap in. DISKPART.exe sees the disks, and also the partitions,
but it does not appear to find any volumes. Any command I try to do but return
the error message that it is not allowed on invalid disk packs.
Yet there are no best ways to directly resolve the disk invalid problem. One
available of ways is converting the invalid dynamic disk back to basic disk. Dynamic
Disk Converter 3.0 is an advanced application with support for Vista, Windows 7/8, 2000
and XP. The 3.0 version is specifically designed for repairing invalid dynamic disk
without losing data.
Repair Invalid Dynamic Disk with Dynamic Disk Converter in Vista.
AOMEI Dynamic Disk
Converter is a main technical breakthrough, which not only solves the
invalid or inaccessible dynamic drives, but also works perfectly on Windows Server
and Windows 7/8, to ensure data secure and high efficient services.
1. Select your Invalid Dynamic Disk that you want to repair in the Dynamic Disk
List page of the software.
2. And then confirm that the selected disk which you wish to repair, and then click
the "Proceed" button to begin.
3. Execute repairing…, the process only take 3~10 secondes.
4. After completing, you need restart the computer to take effect, and then the
disk becomes readable and valid status!
The following is a screenshot for reference.

Download AOMEI Dynamic
Disk Converter
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Disk Converter