Update: Omada support has opened a ticket on this and has informed me that they are investigating the issue.

@Vincent-TP The "Omada is Busy" message, followed by "Connection failed," occurs too frequently. It inhibits my ability to troubleshoot and manage the network remotely. Thank you for getting back to...

The message "Omada Cloud is busy. It will take some time to connect..." occasionally appears after I login and when I launch the controller using the latest OC300 release. Previously, it would give...

How do I use the OC200 backup to restore the configurations, etc. to the OC300? Thanks Edit: OC200 is on 5.12.9

My work around was to power cycle the switch.

@BubbaW Sorry to hear that. It's probably some sort of odd coincidence that it worked for me. I do still get the odd No Respnse, and the "Updating" delay is quite often too long when I open the Home...