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HomeHomeDNN Open Source...DNN Open Source...Provider and Extension ForumsProvider and Extension ForumsAuthenticationAuthenticationAD provider configuration errorsAD provider configuration errors
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5/19/2009 6:19 PM
 
Kevin Keigwin

Joined: 8/8/2008
Posts: 16

Hi,

I'm getting two errors when I try to configure the AD provide 01.00.05 under DNN 04.09.03. 

Error: is currently unavailable.
DotNetNuke.Services.Exceptions.ModuleLoadException: Access is denied. ---> System.Runtime.InteropServices.COMException (0x80070005): Access is denied.

Error: is currently unavailable.
DotNetNuke.Services.Exceptions.ModuleLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object.

I've read the recommendations on using impersonation, but that seems it won't work in my case.  I'm doing development with DNN on my local box which is VPNed into the network containing the AD server.  I'm not logged into the domain locally, and so the local login and the remote login are different.  This causes an error if I try to use impersonation because it says it can't create a user token for the remote credentials I need to access the AD server.  

Any help would be greatly appreciated

Kevin
 
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5/19/2009 11:54 PM
 
Mike Horton


Joined: 7/16/2003
Posts: 4865

I have heard of people having problems over VPN but unfortunately I can't give you any pointers as I haven't had any problem when working as you are. The only thing I can ask is if the user you're using for impersonation is a domain account?
 
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5/20/2009 3:14 PM
 
Kevin Keigwin

Joined: 8/8/2008
Posts: 16

The account I'm want to impersonate is a domain account, but this machine (the one running DNN) is not on the domain.  For example, I'm logged into my machine as MYMACHINE\Kevin and I'm VPNed into the domain DOMAIN using the login DOMAIN\kevink.  My VPN connection is configured with a DNS suffix of domain.com.  Under this configuration, I can use SQL Server to query LDAP://domain.com and I get the expected results.

As I understand it, impersonation means that if I'm logged in as Kevin locally, it will try to log me in as Kevin on the remote domain.  That won't work here, since the remote login is different (i.e. "kevink").

Any help will be much appreciated!
 
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5/25/2009 2:56 PM
 
Kevin Keigwin

Joined: 8/8/2008
Posts: 16

For anyone who comes afterwards searching for a solution to this problem:  I have been unable to get the AD provider to work with my DNN server outside of the network (VPN access) and outside of the domain.  While it is possible to query AD over LDAP using SQL Server in this configuration, I had to use a machine inside of the network and domain for the DNN AD provider to work.
 
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5/26/2009 12:12 PM
 
Dan Ball

Joined: 1/31/2005
Posts: 771

I have gotten that scenario working here before, but the computer I was using to do the VPN session with was also a domain member.
 
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