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

[ChuckPa]

You cannot create the username. DSM must create it in order to be a “System Internal User”. Anything you create is a “Local User” (yes, they made it weird)

1. As you install the package, DSM creates the username.

2. I’ve written the installation script such that it will pause and allow you to ‘back out’ a step, mid install, enough to open Control Panel - Shared Folders and Filestation and apply the permissions to the entire contents of the Plex shared folder (this is what’s important)

3. In “Scenario 2” (Step 3) is where you notice

Synology FAQ - Questions, Answers, and How-To's

FAQ 27 - Migrating an existing PMS from DSM 6 to DSM 7 NOTICE: DSM 5 → [ DSM 6 ] → DSM 7 First Step If you first started using Plex with DSM 5, then upgraded to DSM 6, because of a change internal to DSM 6, you will need to perform this step before you start the DSM 7 upgrade. If you never used DSM 5, or deleted the Plex share sometime during DSM 6, you can skip this step and continue with the normal upgrade steps Rename the existing Plex shared folder to Plex.old Create a new Pl…

This page should appear. This is where you are mid-installation of the DSM 7 package. It’s detected the shared folder permissions are not correct for the Plex shared folder. Right here is where you can fix those permissions and then continue.

This is a really awkward / Pain-in-the-XXX procedure but it is the only one we could come up with given all of our privileges (root/admin) were removed in DSM 7. (Under DSM 6, I had ‘root’ and did all this work for you)