You can disable and enable managed media server communications from the central administration server.
To disable and enable communications
On the central administration server, from the navigation bar, click Media Servers.
Select the managed media server that you want to disable or enable.
Do one of the following:
To disable communications, from the task pane, under Media Server Tasks, click Communication Enabled.
Communications are disabled between the managed media server and the central administration server. The managed media server's communications status changes from Enabled to Disabled in the Communications Status column. Its status change is also reflected in the Media Server Status column, which changes from Online to Unavailable. An icon representing a disabled managed media server appears.
To re-enable communications, from the task pane, under Media Server Tasks, click Communication Enabled.
The managed media server's communications status changes from Disabled to Enabled in the Communications Status column. Its status change is also reflected in the Media Server Status column, which changes from Unavailable to Online. Finally, an icon representing a fully functioning managed media server appears.
More Information
Administering managed media servers in CASO
Setting communication thresholds and active job status updates for CASO