An administrator moves vSAN cluster from one vCenter to another and notices the warning "All required hosts are in maintenance mode" under Quickstart.
VMware vSphere 7.0
VMware vSphere 8.0
The quickstart check is designed for HCI configure workflow. If you configured a vSAN cluster manually or had moved working vSAN cluster to a different vCenter, quickstart does not know these hosts are vSAN provisioned.
As vSAN is already configured on the hosts, you can click 'Skip QuickStart' button to ignore it. Otherwise, it doesn't know you have already finished the cluster configuration.