Expand Preface
 About This Guide
Expand Before You Upgrade
Expand Upgrading to Parallels Pro Control Panel 10.3.3
Expand Post-upgrade Tasks
Expand Appendix A. Overview of the Parallels Pro Control Panel System Checker
Collapse Appendix B. Reviewing Customizations
    Customizations That Do Not Require Pre-upgrade or Post-upgrade Actions
    Customizations That Require Pre-upgrade or Post-upgrade Actions