Abhishek Bhowmick | SharePoint Blog

Who are NT AUTHORITY\Authenticated Users?

Posted in Sharepoint by Abhishek Bhowmick on May 4, 2011

The user “NT AUTHORITY\Authenticated Users” represents every Domain user account that can successfully log on to the domain . In the typical environment that would include employees, contractors, vendors with a “special account” or anyone with Windows Authenticated access to the network.

SharePoint makes it quite easy to add “NT AUTHORITY\authenticated users” to site permission:

CAUTION: You must allow this account permission to your site only when you are convinced that you are willing to reveal your site information to all who can successfully log on to the domain network because the permission you allow to this account would apply to everyone in the domain. Else, ensure if you find this account in your permission list, remove it.

This comes in very handy when you do not wish to add individual permission and you want to make your site at least visible to all or allow elevated permission as and how you plan the entitlements.


7 Responses

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  1. anilkuppa said, on January 18, 2012 at 2:17 am

    Question: What about users stored in external partner organization’s directory and visiting company’s sharepoint site after authentication via claims using a corporate ADFS trusted with partner’s ADFS? Are such external users, after authentication, also become part of ‘NT Authority\All Authenticated Users’ or ‘NT Authority\Authenticated Users’?

  2. Gerardo Flores said, on April 11, 2012 at 10:28 pm

    Hi Abhishek,

    If I want to add all users that belong to other domain, what should I do?

    Note: There are a Trust Rrelationship between Domains.


  3. Gagandeep Singh said, on December 4, 2012 at 5:15 pm

    Thanks for this Abhishek

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