@Adex1 Hi, Thanks for the update. I will check with the engineer first to see whether they have any other ideas. By the way, just a simple thought, have you ever connected to the HDD directly to Mac...

@SrDarkWarrior Hi, It's hard to say yet. The issue on the previous 1.8.0 seems to be caused by bringing in the VPN module. Thanks and best regards.

@JanRekenaar Hi, I think it should. I did receive similar feedback even over the 1.6.4 beta here: Deco X50_V1_1.6.4 Boosted Network Stability for Smart Home Devices Were you still on this version?...

@BasJS Hi, Welcome to the community. The network topology seems fine. Have you set Deco XE75 Pro into Access Point mode? If there are Ethernet ports available, I would recommend normal Ethernet...

@Hilbrand Hi, welcome to the community. Did you set Deco M4 into Access Point mode? - If not, it is recommended to set Deco into Access Point mode: How to set up Deco to work in Access Point mode...

@dturtill Hi, Deco X10 supports Connection Preference. Did it help if you set it to connect to the nearest Deco X10 and preferred 2.4GHz band? How to select a preferred signal source on the Deco App...