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# How to manage Wi-Fi Lifeguard network devices that use a randomised MAC address

Some devices use a privacy feature called “randomised MAC”. Due to this, we suggest assigning each device to a user, where we can then attempt to automatically resolve duplicate device listings for you. You can do this by visiting the Devices menu (https://my.safesurfer.io/devices) > click the group for your Wi-Fi Lifeguard network > click a device listing that hasn't been assigned to a user > click the three-dot button inside the device listing > Change user.

If you're currently experiencing issues with duplicate device listings, try turning off the randomised MAC address feature for that device. You can find a reference table for the general location of this feature by [clicking this link](https://helpdesk.safesurfer.io/en-nz/article/identify-the-mac-address-of-a-device-connected-to-a-wi-fi-lifeguard-network-17mxjck/).