Can not install PMS on Synology DS3622xs+ (DSM7.2.2-72806)

[trumpy81]

First of all, migrating from DSM 6 → DSM 7 is not straight forward, so you will need to follow the instructions found here:

DSM 7 - Plex Media Server - Release Info & Migration instructions

Plex Media Server for Synology DSM 7 - Release This document is to share changes made with DSM 7 and resolve any unforeseen issues before you attempt migrating to DSM 7 for Plex use YOU ARE URGED TO READ THIS THREAD COMPLETELY BEFORE PROCEEDING OR ASKING QUESTIONS DO NOT INSTALL Synology BETA software UNLESS INSTRUCTED. This thread is a LIVING document. Expect it to change. Synology’s DiskStation Manager (DSM) has undergone significant changes in version 7.0. Many of those changes affected …

When you are ready to install Plex, you need to download the Plex package that is intended specifically for DSM 7.2.2+.

You will find that on the Plex Downloads page.