Hi all.

I want to Upgrade my DNN installation of 4.3.5 to 4.4.1. I downloaded the Ugrade from the DNN site [Downloads Section]. As instructed, I unzipped the contents of the upgrade into the directory where i had my DNN 4.3.5 installed. I get the following error, no matter how many times I try. What's wrong...

Server Error in '/' Application.

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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:

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.Security.Authentication.Configuration.GetConfig() +16 DotNetNuke.HttpModules.AuthenticationModule.OnAuthenticateRequest(Object s, EventArgs e) +25 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +92 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64

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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.210

Ok. This has some thing to do with ...

<add name="Authentication" type="DotNetNuke.HttpModules.AuthenticationModule, DotNetNuke.HttpModules.Authentication" />

in the web.config. I needed to comment this line in the web.config. I had uncommented it 'cos I was using mixed mode authentication. As soon as I commented it out again and set the dnn to use the Forms authentication the thing got upgraded.

Hope this helps...

Sitll I need explanations.

Cheers!

Sasmit.

Thanks.

Regards,

Sasmit.