A prerequisite for pushing CA issued certificates, is that a DNS entry must exist and resolve to the DLO Edge\IO server, using the certificate Domain name. Validation of this is made as part of the push process.
If wildcards are included in the certificate Domain name, this will not correctly resolve the DNS entry and fail the Push process. To check the Domain name details, open the CA issued certificate file.
Example:
Incorrect - Issued To: *.domainname.com
Correct - Issued To: edgeserver.domainname.com
A new CA certificate will need to be issued that contains a fixed reference to the DLO Edge sever name and does not contain a wildcard;
Review the relevant DLO version 'BOI Setup and Configuration Details' Guide, for details of the prerequisites and procedures to use the BOI (Backup Over Internet) functionality and working with certificates.