In case your server comes up with 401 response code during migration setup, choose one of the following actions to fix this issue:
- Whitelist CMS2CMS IP addresses, in order to prevent blocking by 401 Authorization
- Provide your website URL including 401 authorization’s login and password, like http://login:pass@my.web.site.com/
- Disable 401 Authorization → Ensure that your website content is not blocked by HTTP Basic Authentication →Make sure that your website content is available on the Internet during the Migration process.