Please use the steps below to enable additional metrics in vRealize Operations.
1. Navigate to Administration -> Policies. Take note of the active policy. Navigate to Policy Library.
2. Select the active policy.
3. Click "Edit Selected Policy".
4. Navigate to the "Override Attributes" tab.
5. Use the filters to find the metric you are trying to enable.
6. Change the "State" field to "Local" with the green checkmark.
7. Click "Save".
That's it! On subsequent collections, the metric you enabled should be collected.