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Microsoft Most Valuable Professional SharePoint - Development News

December 2010 - Posts

  • An existing SharePoint web application “cannot be found”, why?

    When you develop with SharePoint, sometimes you have some confusing errors. Here is one of them…


    The complete error message is

    The Web application at http://<servername>/<sitename> could not be found. Verify that you have typed the URL correctly. If the URL should be serving existing content, the system administrator may need to add a new request URL mapping to the intended application.

    It is not complex to succeed having this code working. Just look at the following screenshot:


    Now it is running. So, what’s the difference?

    Have a look to the toolbar and you will see the only difference…


    Yes, this message is not clear but the main cause is that you are developing a application targeting x86 (32 bits) environment and running it on a 64 bits environment… Be careful about this. Do not forget to use development, test and production environments with similar configurations.

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