As per the official documentation (https://docops.ca.com/ca-secure-cloud-for-service-providers/1-55/EN/release-information/known-issues/tenant-management-i… ) tenant creation will fail without the following configuration in place:
Tenant Creation Fails
Tenant creation fails with the handshake alert: unrecognised name.
1. Edit the JBoss run.sh file on the Identity Management server.
2. Add the following Java option:
3. Edit the JBoss run.sh file on the CSP console.
4. Repeat step 2.
This should be setup, by default, by the installer rather than be considered as a known issue - keeping in mind no tenant will be created successfully unless this change has been embedded.