There is no risk in adding RAM to ESX host but you have to power off all the VMs one by one before shutting down the server.
if you have HA created then you can simply move the VMs to other hosts during this maintenance
There is no risk in adding RAM to ESX host but you have to power off all the VMs one by one before shutting down the server.
if you have HA created then you can simply move the VMs to other hosts during this maintenance