The connection with the SharePoint site failed – ShareGate

Symptoms

When trying to connect to SharePoint, the ShareGate migration tool displays one of the following errors:

The SharePoint site refused the login request.
The connection to the SharePoint site 'http://mySharePointSite/' failed.
Unable to connect to the SharePoint site 'http://mySharePointSite/'.
Please make sure you have the correct address, proxy settings and credentials.

CO-001-046

CO-003-046

CO-025-046

CO-001-032

Any error code ending with -046

Visit our Troubleshoot Connection Issues section for solutions that may resolve this error.

If your connection with Browser authentication fails with the message Failed to initialize the browser, try again. You often get this error when Edge runtime crashes during your connection.
If your connection fails using Return to this session in a migration report or Recent session in Copy, you will have to recreate the connection with your new password in the appropriate copy feature (Copy Structure and content, Copy content only, Import from file share, etc.).