The Migrate Physical Server to Container: Container Resources Customization page, where you can check or edit the future Container resource parameters, can only be displayed on the conditions that you:
Note: The default resource parameters are calculated with a 150% allowance made for the physical server maximum load. However if you are sure you need to increase the available resources, you can do so by entering new values in the appropriate fields.
You can find the description of all the customizable resource parameters in the Resource Parameters Description section.