Hello, Are you still experiencing this issue? If yes, can you verify if the behavior is also the same on a different browser? If it is observed on a different browser, I would suggest opening a case with Meraki Support so that we can obtain a few logs from the browser and validate the issue.  URL - https://documentation.meraki.com/General_Administration/Tools_and_Troubleshooting/Using_HAR_Files_to_Troubleshoot_Web_Pages_that_are_Failing_to_Fully_Load ... View more

It sounds like it may be a problem with that MX - I suggest raising a case with Meraki Support via ? (top right of the Dashboard) > Get help & cases Then either 'Submit a case' or 'Call the Meraki Support team'. If it's at all urgent, I'd recommend making a call. ... View more