@McLeeland I, too, also have an OC200, SG2008P, but an ER605v1. I currently have a site where the OC200 cannot re-adopt the ER605 since it updated to 5.12.9 - and the location is a 3 hour drive away...

I have 3 sites that have been using Omada products for about 2-3 years, now. I wanted to mention what I see as a fundamental flaw in TP-Link controllers and routers/firewalls - a feature called...