Issue:
Multicam v8.7 with multi cameras connected Live view only displays one camera. It requires to restart to the system to get all cameras back to live view.
Root Cause:
According to our RD, it appears that the driver used for the graphic card and DirectDraw these two sides conflict with each other.
Solution:
Disable DirectDraw in Multicam v8.7 as indicated as below.
Reference:
RE: [ FVS - 201610186002 ] Multicam v8.7 with multi IP cameras connected but the all channels display the same camera