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NT AUTHORITY\Authenticated Users

Posted on 2013-11-11
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Last Modified: 2013-11-11
Who exactly is NT AUTHORITY\Authenticated Users? I am trying to risk assess who can access a certain folder and this group appears, but I cant find it in AD, who is in it? Why would you need to add that group to a particular folder ACL? Will removing it break anything?
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Question by:pma111
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Expert Comment

by:Emmanuel Adebayo
ID: 39638670
Authenticated Users includes all users whose identities were authenticated when they logged on.

http://support.microsoft.com/kb/243330

Regards
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by:pma111
ID: 39638682
Sorry I dont really understand that - does it mean every user in the domain?
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Expert Comment

by:Emmanuel Adebayo
ID: 39638691
Yes these are the users that are autehnticated by your Active directory.
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by:pma111
ID: 39638724
So in a nutshell if one of your folders grants read access to NT AUTHORITY\Authenticated Users - then every user in the network can access it?
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Accepted Solution

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Emmanuel Adebayo earned 500 total points
ID: 39638858
Yes, you are right.

You allow this account permission to your folder only when you are convinced that you are willing to grant whatever permission was set to all who can successfully log on to the domain network because the permission will allow access to this account for everyone in the domain. If you find that you don't want to grant premission to everyone for that folder, i suggest  you remove it.

regards
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