Hello Cowboy,
By any chance have you tried doing the same process with another workstation.
Tap or click here to see what Samsung recommends doing.
Taking the following step will assist in troubleshooting the issue.
Try another computer.
If Smart Switch is still not working, trying connecting your phone to another computer. If Smart Switch works on a different computer, please contact the computer manufacturer for further troubleshooting. There may be a hardware or software issue with the original computer.