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I have changed the service console memory to 800mb and have to restart each of my four hosts.I understand that I need to put each of my host in maintenance mode before each restart. &nbsp;Do I have to manually migrate my VMs off or does that happen automatically once I go into maintenance mode? 
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I have changed the service console memory to 800mb and have to restart each of my four hosts.I understand that I need to put each of my host in maintenance mode before each restart.  Do I have to manually migrate my VMs off or does that happen automatically once I go into maintenance mode? 

Rebooting VMware 4.0 Hosts in an HA Cluster

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.