Expand Preface
 About This Guide
Expand Before You Upgrade
Expand Upgrading to Parallels Pro Control Panel 10.3.5
Collapse Post-upgrade Tasks
    Upgrading the SquirrelMail File config.php
    Regenerating the Sendmail Configuration File After an Upgrade
Expand Appendix A. Overview of the Parallels Pro Control Panel System Checker
Expand Appendix B. Reviewing Customizations