When an upgrade to vRanger 7.2 is performed the RDA repository operating system will require an upgrade to ensure compatibility.
DR operating system required for compatibility to vRanger 7.2 is minimum if version 3.2.0194.0
From dashboard view of the DR check the Operating system version: (Software version is available in system information box).
vRanger7.2 is compatable with Version 3.2.0194.0
Download Upgrade File for DR4100 Series
File should be under IDM files in the following format: DR-UM-3.2.0194.0.tar.gz
Please reference DR4100 - How-to-Upgrade knowledge base article for full detail of the upgrade process.