No. If you have existing software entitlements, you will continue to possess those entitlements after an upgrade. No features are lost from an upgrade.
// FAQs // I am an existing Enterprise customer that is looking into upgrading our system. But, I’m seeing from what you have listed that many of the features, such as One-X Mobile and Extension to Cellular are already active on our system because of previous entitlements. Will I have to purchase those features again under the Foundation Mobility platform?