Cannot establish video session with the server - If an error message states that it's impossible to establish video session with the server, there might be a problem with the server, the Media Router role, the Federation™ role, the Archiver role, or the video unit. To troubleshoot the issue, learn about the possible causes and their respective solutions. - Security Center 5.9 - 5.13

If an error message states that it's impossible to establish video session with the server, there might be a problem with the server, the Media Router role, the Federation™ role, the Archiver role, or the video unit. To troubleshoot the issue, learn about the possible causes and their respective solutions.

1. Make sure that your server is running.
2. Make sure that the Archiver role is online:
   1. In the Config Tool Video task, select the Archiver role.
   2. At the bottom of the Video task, click Maintenance > Diagnose ().
   3. Fix any issues.
3. If you are trying to view a federated camera, confirm that the Security Center Federation™ role is online:
   1. In the Config Tool System task, click the roles view.
   2. Select the Federation role and click Maintenance > Diagnose ().
   3. Fix any issues.
4. If you are trying to view a federated camera, confirm that the server for the federated Security Center system is online.
5. Make sure that the Media Router role is online:
   The Media Router connection could be the source of the problem.
   1. In the Config Tool System task, click the Roles view.
   2. Select the Media Router role and click Maintenance > Diagnose ().
   3. Fix any issues.
6. Restart the Media Router role:
   1. In the Config Tool System task, click the Roles view.
   2. Select the Media Router role and click Maintenance > Deactivate role ().
   3. In the confirmation dialog box that opens, click Continue.
      The Media Router turns red.
   4. At the bottom of the System task, click Maintenance > Activate role ().
7. Make sure that the unit is online.
   If the unit is red in the Roles and units view, troubleshoot why the video unit is offline.