Posted By

rengber on 01/28/08

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security
aspnet

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Last Edited at 01/28/08 05:04pm

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ASP.Net Code to Get an Active Directory User Name from the Integrated Authentication Principal Name

/ Published in: C#

Typically won't work if the ASP.Net service identity (in the machine.config ProcessModel section) is a local account.

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private string GetUserName()
    {
        string retVal = string.Empty;
        //Pull the username out of the domain\user string.  
        retVal = Page.User.Identity.Name.Split('\\')[1]; 
 
        DirectoryEntry userEntry = new DirectoryEntry("WinNT://" + userName +",User");
        retVal = (string)userEntry.Properties["fullname"].Value;
        return retVal; 
    }