Hi Jubish,
Thanks for your question - we will work to improve the documentation on this. The Horizon Cloud Service works a little different from Horizon on Prem. Pools are pointed to specific image objects using the Image/Marker mapping. That means when its time to update a pool, all you really need to do is ensure your target image version is published (to same locations as current source versions), and once that's done, you move the marker by using the Image -> Versions [edit] command. on the target version you want the marker applied to.
depending on the pool type - you will get different actions.
Floating pools will begin the update process as users log off and desktops/server sessions drain.
Dedicated pools will only use the newly pointed version for new VMs.
If you are seeing different behavior for either pool type, please submit a support ticket so we can take a look at your environment.
Thanks,
The HCS Team.
