@Nick105 Are you trying to forward an inbound (coming from Internet) TCP or UDP session received by the Deco on port 500 to several devices? This is not possible. One session can only be forwarded to...

@todi Could you describe your configuration, including your ISP modem?

@Sandbox What is the color of the deco led when the problem arises? Does the Deco publish its "final" wifi name at that stage?

@BHH The Deco is not aware that a Range Extender is present. You have only to configure the Range Extender.

@Rembrandt3 You want to change the wifi password? To rename a Deco unit, in the app: - tap on the map of Deco - tap on "show list" - tap on a unit - tap on the name of the unit - you can now update...

@todi What model is the ax1500 router?