Update Hypervisor Hosts from 3.6 to 4
We updated the manager to 4 and after putting the host into maintaince mode we should be able to update the host to version 4.
The problem is that the upgrade button is greyed out.

How can i do the update from version RHEV Hypervisor - 7.2 - 20160413.0.el7ev to RHVH version 4?
Responses
If your hosts are running RHEV-H (the old hypervisor) you must manually reinstall them with RHVH to use them in RHV 4.0: Installation Guide; Red Hat Virtualization Hosts.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
