Merge pull request #29061 from mburke5678/okd-issue-107

describe pull secret differences from OCP

Author: mburke5678

modules/installation-obtaining-installer.adoc

@@ -94,6 +94,14 @@ $ tar xvf openshift-install-linux.tar.gz
 link:https://cloud.redhat.com/openshift/install/pull-secret[Pull Secret] page on the {cloud-redhat-com} site, download your installation pull secret as a `.txt` file. This pull secret allows you to authenticate with the services that
 are provided by the included authorities, including Quay.io, which serves the
 container images for {product-title} components.
+ifdef::openshift-origin[]
++
+If you do not use the pull secret from the {cloud-redhat-com} site:
++
+* Red Hat Operators are not available. 
+* The Telemetry and Insights operators do not send data to Red Hat.
+* Content from the link:https://registry.redhat.io/[Red Hat Container Catalog] registry, such as image streams and Operators, are not available. 
+endif::openshift-origin[]
 
 ifeval::["{context}" == "installing-ibm-z"]
 :!ibm-z: