Hello @Андрей Михалевский ,
Thanks for your query.
It mostly happens with cloned disks, and can generally be fixed by one of these methods:
Fixing Disk Signature Collisions: https://learn.microsoft.com/en-gb/archive/blogs/markrussinovich/fixing-disk-signature-collisions
How to Change the Disk Signature of a Drive Without Losing Existing Data or Reformatting: https://www.howtohaven.com/system/change-disk-signature.shtml
FYI:
https://answers.microsoft.com/en-us/windows/forum/all/getting-same-disk-identifiers/7ef3a931-5840-41c4-ad6b-b0eeb4b5c8af
https://social.technet.microsoft.com/Forums/en-US/361a1545-36dd-4479-bd4d-ff9422ea0e4e/kb2983588?forum=WinPreview2014General
https://social.technet.microsoft.com/Forums/office/en-US/a550b6be-8b9f-4453-9794-2940d1315972/user-profile-disks-same-disk-identifiers?forum=winserverTS
Best regards,
Leila
----------
If the Answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.