You should've used Storage Migration Service, which takes care of all these tasks for you automatically. More at https://learn.microsoft.com/en-us/windows-server/storage/storage-migration-service/overview
In the current configuration, you might want to ensure that share level permissions are applied correctly as well
If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.
hth
Marcin