There is the steps to check if your Multi Server work or work failed If you have added Multi Server such as Media, Gateway Server.
First , click the path as below.
As the picture you seen, there are many records from the logs of the Multi Server.
In contrast, You could see only a few records from the logs.
So the next steps you need to do is confirming the ports. Check the ports of the Multi Servers were close or conflicted.