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It worked just fine, until I upgraded to Catalina. They dropped SmBv1 and 2 support. So it wouldn’t connect to my NAS. There was no support for problems. I read through a ton of tech groups and found a temp fix. You need to force quit Finder and then restart your computer. Sometimes it takes 2-3 times of each to get it to finally connect. I spend much more time trying to connect than I do using the NAS. It’s a pain to go through all that just to look up or move a file.