Claim Server Fails on Synology DS1522

If it’s trying to migrate a DSM 6 (Plex shared folder) installation to DSM 7 then it will very likely exceed the 4 minute token life window. You can uninstall-only + claim-token again after everything is complete.

A regular installation of the package takes less than 60 secods.

If it’s taking longer than that, there’s a networking problem.

Might want to read here.