You can edit CPU and RAM resources for vCenter virtual servers built on Windows and Linux templates, as well as Windows and Linux OVA templates. 

To edit CPU and RAM resources:

  1. Go to your Control Panel > Cloud > Virtual Servers menu.
  2. Click a label of the server you want to resize to display its details screen.
  3. Click the Actions button, point to Options, and select the Edit Virtual Server link.
  4. Change the label, CPU core/priority, and RAM values, then click the Save button.

After you save the settings, the resize is completed automatically and you can see a message indicating the resize was successful.