VMware has eliminated the vRAM restriction on licenses to VMware vSphere. For more information, see the Updated vRAM Policy. This alarm can be safely ignored or disabled.
To disable the alarm:
Log in to vCenter Server.
Select the vCenter Server at the top level (above Datacenter and Cluster).
Select AlarmDefinition.
Locate the License capacity monitoring alarm.
Right-click the alarm and click Edit Settings.
In General tab, deselect the Enable this alarm option.