when vms event server set Cluster mode, i can't get Status of all devices,What I need to do?

use Status viewer sample can get information. when vms event server set Cluster mode,it not work.

https://doc.developer.milestonesys.com/html/index.html?base=samples/componentsamples/statusviewer/readme.html&tree=tree_2.html

Let me clarify, are you talking about Milestone Federated Architecture or XProtect clustered system?

FYI - If you are talking about Milestone Federated Architecture, Multi-Site Status Viewer sample might be interesting for you to see -

https://doc.developer.milestonesys.com/html/index.html?base=samples/componentsamples/multisitestatusviewer/readme.html&tree=tree_2.html