according to gpu-z , the device id 10de 1f08 (edit: del the last 8 digit for security reason) should already on the white list. And the driver is the latest 445.75 (aka 26.21 14.4575)
Here is part of the log for the GPU (assigned as WU01)
20:37:01:WU01:FS01:Connecting to 65.254.110.245:8080
20:37:02:WARNING:WU01:FS01:Failed to get assignment from '65.254.110.245:8080': No WUs available for this configuration
20:37:02:WU01:FS01:Connecting to 18.218.241.186:80
20:37:03:WARNING:WU01:FS01:Failed to get assignment from '18.218.241.186:80': No WUs available for this configuration
20:37:03:ERROR:WU01:FS01:Exception: Could not get an assignment