What to do if UniFi Traffic Flows aren't working with a UXG
Sometimes, UniFi Traffic Flows might not work if you are using a UXG and the new UniFi OS Server, lets see why
January 23, 2026

Ever since the original UniFi Building Bridge (UBB) was introduced, the main limitation has been surrounding how the devices were sold. Ubiquiti has always offered the UBB and UBB XG in packs of two, which makes for an easy out of the box setup experience. However, when issues occur with faulty or damaged devices, the need for the ability to replace one unit is rather important.
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Because the UBB devices arrive pre-paired when purchased, finding a way to link the devices together manually when one device was replaced was required. To do this, Ubiquiti decided to use the reset button to intiiae that pairing process. Simply aim the two UBB devices together, then triple-click the reset button on the master end, the the station side will automatically connect.
The single unit pack costs $279 in the US, whereas the dual pack comes in at $499.
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