Live Video of Cameras from Digital Sentry can't show in Vista Workstation in Chinese OS. But it works fine in Pelco ControlPoint. Vista version is 5.1.8.
TAC Vista, Pelco Video Management
There are some compatible issues for Vista 5.1.8 with Chinese OS.
Click here to download the TAC Vista Server Hotfix 28 (replaced hotfix 15) and then install it. Then this issue will be solved.