Unable to access drive root after removing local user access ?

Hi People,

I'm using Windows Server 2012 R2 as my new file server. I'm logging in as the Domain\Administrator privileged account who also member of Server2012R2\Administrator (local admin).

I have accidentally remove the Server2012R2\USER permission from the root drive and now I cannot browse into the folder and subfolder ?

how this is possible and how to restore my access back ?
Senior IT System EngineerIT ProfessionalAsked:
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Premkumar YogeswaranAnalyst II - System AdministratorCommented:
Use SUBINACL command, to add permission to the folder and sub folder.
If support tools is not installed, you can download the same from microsoft site.

Check the command below
Update the path as required

subinacl /subdirectories E:\Users\*.*  grand=administrators=f >> c:\subinacl.txt

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Senior IT System EngineerIT ProfessionalAuthor Commented:
I can't even go to the S:\ drive ?
Premkumar YogeswaranAnalyst II - System AdministratorCommented:
Have you tried to execute this line

subinacl /subdirectories "S:"  grand=administrators=f

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Premkumar YogeswaranAnalyst II - System AdministratorCommented:
Also can you try to access after disabling the UAC in server?
Senior IT System EngineerIT ProfessionalAuthor Commented:
ok, I can now access the server drive after taking ownership using Local Administrator and then I reboot it
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