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HomeHomeGetting StartedGetting StartedInstalling DNN ...Installing DNN ...Installation Error - Object reference not set to an instance of an object.Installation Error - Object reference not set to an instance of an object.
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7/21/2009 8:22 PM
 
quietfulness

Joined: 4/29/2008
Posts: 2

Hi.

Im trying to install Dotnetnuke 5.1 on my pc.

Ive set the database, web.config and IIS virtual directory, pointing the site files.

But when i try to access the site, i get these error. Hope anyone has ideas on how to solve this. Thanks

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

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

Source Error:

The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL:

1. Add a "Debug=true" directive at the top of the file that generated the error. Example:

  <%@ Page Language="C#" Debug="true" %>

or:

2) Add the following section to the configuration file of your application:

<configuration>
   <system.web>
       <compilation debug="true"/>
   </system.web>
</configuration>

 
 
New Post
7/22/2009 1:52 PM
 
Jeff Cochran


Joined: 6/3/2005
Posts: 2799

Most common cause is that you didn't give the ASP.NET process account permission to the physical folders or Virtual Directory.  In fact, it would be best if you didn't use a virtual directory.

Jeff
 
New Post
7/24/2009 1:24 PM
 
quietfulness

Joined: 4/29/2008
Posts: 2

Hi.

Ive set the ASPNET account to have read/write properties on that virtual directory, but i still get the error. Then i tried to move the entire folder into wwwroot and set again the read/write properties for ASPNET account, but still get the error.

Do you know any documentations on installing DotnetNuke 5.1.0 ? i cannot find one on the documentations downloads,  i found an article online and i tried to follow it, but unsuccessful. ( http://www.bestwebsites.co.nz/dotnetnuke/easy-dotnetnuke-installation-guide/  )

Hoping for anyones advice, so that I can start using and exploring dotnetnuke 5.1.0.

Thank you very much.

 

 
 
New Post
8/2/2009 12:10 AM
 
Mark Jones

Joined: 7/18/2006
Posts: 5

I had the same problem.  I had forgotten to copy release.config to web.config.  After doing that, installation proceeded as normal.
 
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