Storage Pool with Windows 10 v2004

I attempting to create a new Storage Pool on a system running Win 10 Home version 2004. Each time I click "Create Pool" I receive a message stating "Can't Prepare Disks, Close all apps that are accessing the drive and try again. The parameter is incorrect 0X00000057".

I have tried using various drives in different combinations, both formatted and unformatted but receive the same error each time.  There are no active apps other than "Settings/System/Storage/Manage Storage Spaces".

This system was a bare metal install of version 2004, not an upgrade but I do have a different system with an active Storage Space which I upgraded from version 1909 to 2004 without problem. 

Could this be a problem with the Create Pool function in version 2004?

I have exactly the same problem after my OS being upgraded to version 2004!!!

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I found a workaround solution: I installed Win 10 v1909, created the storage pool and then upgraded to v2004. No problem.

So I believe this confirms my suspicion that the problem is in the v2004 "Create Pool" function.

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Where can one find a Win 10 v 1909? and does Windows allow a version 1909 to be installed "over" version 2004?

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You would need to have the Media Creation tool for 1909 to do a "clean" install like I did.  Don't think you can install over 2004.

But there is a way to revert your 2004 system back to 1909 I think. If you go back to 1909, create your storage pool and then upgrade to 2004, you should be OK, I've done it successfully on 2 different systems.

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many thanks for your reply!!

unfortunately i have already done a "Disk Cleanup", which cleaned up the version 1909. i trusted Microsoft too much that i thought i won't need it. Ironic, isn't it?  :-(

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Hi Doug and all having this issue, a support article was published yesterday:

https://support.microsoft.com/en-us/help/4568129/issue-with-some-storage-spaces-configurations-after-updating-to-window

Sumit

Windows Insider MVP 2018-current and Moderator
Dell Inspiron 5590 - i5 10210U/12GB DDR4/ 4GB Nvidia MX230/ 512GB nvme
https://www.yourwindowsguide.com

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Last updated September 16, 2020 Views 418 Applies to: