Suspected cause is due to application of a hotfix with an incorrect hardening setting. Fix in subsequent versions.
Please ensure that the line "true" is present in /opt/CA/VirtualAppliance/custom/IdentityManager/https-listener-hardening.
If it is not present, please add true to https-listener-hardening and restart IM or IG.
When it is present, you should see the following line in the vApp log:
reset_wildfly_deployment_status [INFO] Hardening wildfly https listener of /opt/CA/wildfly-idm/standalone/configuration/ca-standalone-full-ha.xml