If you get these error messages, you can: For more information, see the Microsoft article Introduction to Microsoft Edge WebView2. For browser authentication, Microsoft Edge WebView2 is used to embed web technologies into the migration tool. Note: Edge runtime is not the same as the Edge browser. The Edge bootstrapper installation can fail if you have network or system restrictions. If Edge runtime is not up to date or if you do not have it on your system, the migration tool will not be able to connect to your environment with browser authentication. If it is not detected, it will download a bootstrapper from Microsoft that will install and keep Edge runtime up to date. The migration tool will look for Edge runtime on your machine. The migration tool uses Microsoft's Edge runtime for browser authentication as of version 17.1 to avoid data vulnerability and security issues. Since Microsoft dropped support for Internet Explorer, they will no longer update it with security patches. Installation of the Edge runtime failed.

You connect with browser authentication or update the app and get one of the following error messages:

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