@RobLatour Hello, theoretically, they can access each other from the same LAN network. You can read the instruction below to enable remote desktop connection to give it a go....

@Obydur @monsteraxr Hello, sorry for the inconvenience caused; try to change another web browser or another devices to access the web UI. And you can reboot the router to give it a go. Still the...

@Milan22 Thanks for your valued reply, sorry to hear that it does not work. May I know what is the country version of the current router? You can find it on the back panel, next to the model number....

@F.M. Hello, what is the hardware version and country version of this TL-WR841HP? You can find it on the back label. When you log into the web UI and you can try to choose other as region and then...

@MarkusWT Hello, the Deco M9 plus does not support Onemesh feature now. Below is the Onemesh compatibility list. https://www.tp-link.com/onemesh/compatibility/ Even though they cannot build up the...

@Gerco Hello Gerco, thanks for your valued reply and glad to hear that it works perfectly now. You can enjoy the internet with the Deco units. If need more help in the future, be free to contact us....