What is OAuth2 Challenge?
OAuth2 Challenge is a succession of web redirections allowing anyone to give access of his data to a given service. In order to perform an user authentication with G Suite, MigrationWiz performs a OAuth2 Challenge.
Once the challenge is done, you can run any Delta migration you want for this mailbox without redoing it.
- After you run a G Suite migration using user credentials, the migrating user will receive a link which runs the OAuth2 challenge. By clicking the link, the user is redirected to Google authentication page (be careful to authenticate as the migrating user):
- Once authenticated, the user is asked to approve the access to some scopes by clicking on accept:
- Once approved, the user is redirected to a page displaying the final status: