DVR systems WatchNET Software - Manual (Page 108)

NDVR Server Manual
108
When user use IE client to visit NDVR server, If connect successfully,
there will be four partitions blue window. If connect unsuccessfully, the reasons
possibly are:
1) The Web server port has been used by other programs;
2) Your computer didn’t download the player plug normally. The reason may be
the jurisdiction of your computer is too high, or your computer has plug filter.