If the SCCM 1602 update doesn’t show up in the console. Then you can run this script “EnableUpdateRing.ps1”
Running the Powershell script will make the update visible immediately. When running the Powershell script, you’ll need to provide your CAS or stand-alone primary site server name as an argument like so:
(replace siteservername with the name of your CAS or stand-alone Primary).