SwissChecklist

Checklist: Change .NET-Framework version in a web site

This checklist helps you changing the .NET version of an ASP.NET application.
  • Introduction & Background Infos

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    Any .net site can run using different versions. Especially when using newer features, you will have to change the configuration. How to do this depends a bit on what server environment you're running in, so jump to the applicable section.
  • Changing .net Framework version on an external hoster

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    This is a common scenario, and maybe you have a UI like Plesk that allows it, maybe not. Either way there is no simple checklist, so you better just contact your web server admin.
  • Contact your admin and ask him to do it :)

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  • Changing .NET version in IIS (if you have admin-rights on the web server)

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    Use this if your application is configured in IIS.
  • Open IIS-Manager (Internet Information Services Manager)

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  • Locate in which application pool the website is

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  • Navigate to the application pool

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  • Click on "Basic Settings" on the right

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  • Choose the appropriate .NET version from the dropdown.

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  • Click OK

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  • Changing .NET version in WebMatrix (for local test environments)

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    Use this if your application is configured in WebMatrix.
  • Open your application through "My Sites"

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  • Open the settings dialog (left navigation bar)

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  • Selet the appropriate .NET version from the dropdown.

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  • If your application does not restart, click "Restart"

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  • Done

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  • New Step

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