Attempts to integrate Sysview for Db2 (IDB2) with DX SaaS via the DBMDS (Data Service) fails connecting to the ESM MS (Micro Service).
Db2 Tools r20 MTC-DBM
The certificate being used had a mismatch between the ESM_HOST value's explicit IP address (as specified in the DBMDS/ESM configuration setup) and the value specified for the certificate's CN (common name). The certificate being used had a host name, but no IP address to match the ESM_HOST value.
Using a certificate whose CN (common name) matches the hostname (in this case the explicit IP address) or listed in the SAN (Subject Alternative Name) field
of the certificate.