The CloudForms 4.5 General Configuration guide and Migrating to CloudForms 4.5 guide have been updated on the Customer Portal: Section "4.1.1.5. REGISTERING RED HAT CLOUDFORMS" in https://access.redhat.com/documentation/en-us/red_hat_cloudforms/4.5/html-single/general_configuration/ Chapter 3. UPDATING CLOUDFORMS in https://access.redhat.com/documentation/en-us/red_hat_cloudforms/4.5/html-single/migrating_to_red_hat_cloudforms_4.5/#update-appliances
These updates are also live in the 4.2 guides now: 4.2 General Configuration guide: https://access.redhat.com/documentation/en-us/red_hat_cloudforms/4.2/html-single/general_configuration/ Migrating to CloudForms 4.2: https://access.redhat.com/documentation/en-us/red_hat_cloudforms/4.2/html-single/migrating_to_red_hat_cloudforms_4.2/