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HomeHomeGetting StartedGetting StartedInstalling DNN ...Installing DNN ...Configuration Error in web.configConfiguration Error in web.config
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8/15/2011 5:16 PM
 
Craig Shaw


Joined: 1/9/2010
Posts: 17

Hi,
I have come accross an odd error. 

I have set up my DNN installation and created the first portal. Everything worked fine.  I then set up a second portal, which worked fine, but the first portal then displayed this error (see below). 

I edited the web.config (only to force IIS refresh) which then seemed to revive my first portal.  As soon as I navigated to the second portal, the first portal showed this error again.

I then set up a third portal, which works fine.  At present the first is screwed up and the next two are fine... Any ideas?

ps - The only difference in these portals, is the first portal has two aliases (this one also includes localhost/somesite)

Server Error in '/' Application.

Configuration Error

Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: Unrecognized attribute 'requestValidationMode'. Note that attribute names are case-sensitive.

Source Error: 

Line 183: --> 
Line 184: <!-- allow large file uploads --> 
Line 185: <httpRuntime useFullyQualifiedRedirectUrl="true" maxRequestLength="8192" requestLengthDiskThreshold="8192" requestValidationMode="2.0" /> 
Line 186: <httpCookies httpOnlyCookies="true" requireSSL="false" domain="" /> 
Line 187: <!-- GLOBALIZATION

Source File: [***LOCAL FILEPATH***]\wwwroot\web.config    Line: 185

Version Information: Microsoft .NET Framework Version:2.0.50727.5446; ASP.NET Version:2.0.50727.5420
 
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8/16/2011 9:51 AM
 
cathal connolly


cathal connolly's Avatar

www.cathal.co.uk
Joined: 4/9/2003
Posts: 9676
please remove the requestValidationMode="2.0" from the end of the lines in web.config to resolve it. DotNetNuke ships with a config set up for asp.net 2.0, but if on install it detects asp.net 4.0 it updates the web.config for that version (adding these requestValidationMode attributes to fix a breakling change introduced by microsoft). You see this type of issue when you install on one IIS site that uses asp.net 4.0 in its application pool and then copy the web.config to another iis site where it uses asp.net 2.0 (as it's not possible for DotNetNuke to do the automatic downgrade)
Buy the new Professional DNN7: Open Source .NET CMS Platform book Amazon US
 
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8/16/2011 1:00 PM
 
Craig Shaw


Joined: 1/9/2010
Posts: 17
Brilliant... that's done the trick Cheers Cathal
 
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