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HomeHomeDNN Open Source...DNN Open Source...Provider and Extension ForumsProvider and Extension ForumsAuthenticationAuthenticationActive Directory Trust IssueActive Directory Trust Issue
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8/6/2010 10:19 AM
 
Julius

Joined: 4/28/2010
Posts: 5
Hi, we have an AD domain with which we have a two-way forest trust. AD auth is working properly with our primary domain (the one to which the hosting server is joined), however a user logging in from the trusted domain receives the exception "Object reference not set to an instance of an object." Below is the stack trace:

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: 

[NullReferenceException: Object reference not set to an instance of an object.]
 DotNetNuke.Authentication.ActiveDirectory.ADSI.Utilities.AddADSIPath(String Path, Path ADSIPath) +28
 DotNetNuke.Authentication.ActiveDirectory.ADSI.Utilities.GetDomainByBIOSName(String Name) +145
 DotNetNuke.Authentication.ActiveDirectory.ADSI.Utilities.GetUserEntryByName(String Name) +311
 DotNetNuke.Authentication.ActiveDirectory.ADSI.ADSIProvider.GetUser(String LoggedOnUserName) +78
 DotNetNuke.Authentication.ActiveDirectory.AuthenticationController.AuthenticationLogon() +314
 DotNetNuke.Authentication.ActiveDirectory.WindowsSignin.Page_Init(Object sender, EventArgs e) +127
 System.Web.UI.Control.OnInit(EventArgs e) +131 System.Web.UI.Page.OnInit(EventArgs e) +15
 System.Web.UI.Control.InitRecursive(Control namingContainer) +142
 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1476

Is it even possible to have DNN authenticate users in a trusted domain using NTLM and have it auto-join groups and the like? If anyone can offer some insight into this, we would really appreciate it; please let me know what additional information I would need to provide for troubleshooting. Thanks in advance,

                -Julius
 
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HomeHomeDNN Open Source...DNN Open Source...Provider and Extension ForumsProvider and Extension ForumsAuthenticationAuthenticationActive Directory Trust IssueActive Directory Trust Issue


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