WordPress Migrator "cURL error 7: Failed to connect to wp-transfer-api.sgvps.net port 443: Connection refused" error
This message means that the outgoing connection to wp-transfer-api.sgvps.net on port 443 is blocked on your host server’s firewall. The connection is necessary in order for the SiteGround Migrator to transfer your website’s content.
To resolve this contact your host and ask them to allow the outgoing connection from your server to the wp-transfer-api.sgvps.net hostname on port 443.