Missing DroboShare Volumes

We bumped into this Drobo Dashboard characteristic, namely:
2 Drobo units connected to a DroboShare on LAN A & 1 DroboPro connected to a Windows server on LAN A. On that server, it only detects either the droboPro volumn or the pair of droboShared volumns but not all 3 volumns at the same time! I guess this characteristic is caused by the DroboShare currently only supports 2 Drobo units and therefore the Dashboard only show 2 volumns. Hummme, that could be a problem or product limitation. Bette log a call 1st.