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    <p>You're missing the windows identity part. Also, remember to dispose of any AD objects you are using:</p> <pre><code>public class AdLookup { public static DomainContext GetUserDetails() { using (PrincipalContext pc = new PrincipalContext(ContextType.Domain)) { IPrincipal principal = HttpContext.Current.User; WindowsIdentity identity = ((WindowsIdentity)principal.Identity); UserPrincipal user = UserPrincipal.FindByIdentity(pc, identity.Name); if (principal != null) { return new DomainContext() { userGuid = user.Guid, DisplayName = user.DisplayName, GivenName = user.GivenName, EmailAddress = user.EmailAddress }; } } return null; } } </code></pre> <p>The best thing to do so you can access this everyone within your application is to create a class called 'BaseController' which all your other controllers inherit from, and put this code on there (ideally as a property called DomainContext).</p> <p>To use this on all over your application, you can also add a method on the base controller to add this information to the ViewData:</p> <pre><code>protected override void OnActionExecuted(ActionExecutedContext filterContext) { base.OnActionExecuted(filterContext); ViewData["BaseController_DomainContext"] = AdLookup.GetUserDetails(); } </code></pre> <p>Then you can access this on any of your views rendered from this any inheriting controller by using:</p> <pre><code>@{ DomainContext domainContext = (DomainContext)ViewData["BaseController_DomainContext"]; } Welcome back: @domainContext.DisplayName </code></pre> <p>Of course you'll run into problems with nulls, but you could handle that in your GetUserDetails method with some sort of dummy DomainContext.</p> <p>This is just one way of doing it, alternatively you could create a base view model that all your view models inherit from and access them directly in the view, but I've found this way to be simpler as you don't add any complexity to your view models.</p>
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    1. COI tried your previous code and it unfortunately didn't work. Could you clarify how to pass DisplayName, GivenName, etc to my View?
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    2. COModified to answer with more detail.
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    3. COThanks very much for this. I think I am almost there. Just getting an error on HttpContext - an object reference is required for the non static field...
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