Document URL: https://docs.openshift.com/container-platform/4.5/installing/install_config/installing-restricted-networks-preparations.html#installation-about-mirror-registry_installing-restricted-networks-preparations Section Number and Name: NEW Describe the issue: We need to better outline and explain the technical requirements required by a registry for our tools to mirror content to them. Suggestions for improvement: To day we say: > The mirror registry can be any container registry that supports the most recent container image API, which is referred to as schema2. However we could do a better job highlighting the fill list of technical requirements as customer are still trying to mirror content to registries that don't provide the technical requirements necessary to host mirrored content. Additional information: