Beginning with Parallels version 17 of Parallels® Remote Application Server (RAS), some versions of operating systems and Parallels RAS components are no longer officially supported.

The following is a quick summary of the deprecated components and operating systems:

• 32-bit RAS Secure Client Gateway 
• 32-bit RAS Publishing Agent
• 32-bit Parallels Client for Linux
• Parallels RAS Web Portal
• Windows Server 2003 as a platform for publishing from RD Session Hosts
• Parallels RAS Console on Windows Vista and Windows Server 2008
• Parallels Client for Linux on ARM and Raspberry Pi
• Parallels Client for Windows on Windows Server 2003