Having connected remotely via static IP addresses, I added 6 DVRs and NVRs to iVMS-4200 (v3.11.0.5_E):
DVR DS-7208HGHI-F1
DVR DS-7116HGHI-K1
DVR DS-7208HQHI-M1
DVR DS-H116U
NVR DS-7732NI-K4
NVR DS-7732NI-K4
but last 2 of them the Encoding Channels are not...