We just upgraded from 10.14 and using Kensington SD4750P docks. We switched out to Big Sur 11.2.3 and now the dock doesn't work for external displays. The system sees when I plug in USB devices. Using the USB-C dongle for mini DP connection to old iMacs for additional displays aren't working. The only thing that is working is the USB-C Digital AV Multiport Adapter. That won't go over well with the many systems we have schedule for deployment with the Kensington docks that are already being used.
yellostngdev
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