Before we can cross sign your Root CA with a Trusted Root CA, you must confirm you have WebTrust Certification Read more > [3]
Links:[1] https://www.digi-sign.com/product/root-signing-only [2] https://www.digi-sign.com/winpop/roaming.php [3] https://www.digi-sign.com/digi-ca/manuals/administrator/root-signing