@JVenture Hi, it is also suggested that you could have a check the suggestions and update on this link: https://community.tp-link.com/en/home/forum/topic/266994

@RM001 In this way, I think you could contact the local warranty office to ask for the warranty. Thank you very much.

@RM001 Hi, Is there any change recently, like a firmware upgrade, power outage? Please also refer to this link to do a firmware recovery; https://www.tp-link.com/support/faq/2958/ Thank you.

@Charlie555 Hi, may I know when did this issue start? Is there any change recently, like an APP upgrade or firmware upgrade, or IOS update? When the Mesh disappeared, would all the wireless client...

@Tatsuo Hi, thanks for the update. I think your current issue might be related to the VLAN settings on the Netgear switches. The default VLAN for the guest network is VLAN 591. Maybe there has been...

@Wolfegang16 Nice to see you again. Please refer to the reply on the other thread. Thank you very much.