Upgrading and downgrading

Upgrading and downgrading

• Debian Stretch to Buster OS upgrade for Virtual Appliance
• Upgrading Kerio Connect older than Version 9.0.0
• Upgrading Kerio Connect to the Latest Version
• Upgrading and Downgrading the Kerio Connect Multi-Server
• Upgrading Kerio Connect on VMware
• Downgrading Kerio Connect to a Previous Version