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Umbraco 6 Upgrade HTTP Error 403.14

Posted on 18-Sep-2013

When attempting to upgrade from 6.0.4 to 6.1.5 using WebMatrix I was getting the following error.  The website is in MVC in mode.

HTTP Error 403.14 - Forbidden
The Web server is configured to not list the contents of this directory.

Looks like permissons but....  

Open WebMatrix
Add Default.aspx to the Default Pages

Run the website again and select upgrade, you will now be able to upgrade the system.

However you will now get the following error:

Notification           ExecuteRequestHandler
Handler                   StaticFile
Error Code             0x800700b7
Config Error           Cannot add duplicate collection entry of type 'add' with unique key attribute 'value' set to 'default.aspx'

Go back to the Settings section and remove the Default.aspx

And the site is now working.