You can re-enable your anti-virus software after migration is finished.
Or when Migration Assistant tries to access your Time Machine backup drive. And you get this error message in Migration Assistant when it tries to access your old Mac. Or direct connection with Ethernet or a USB cable. When you’ve got your Mac’s connected over WIFI. If Migration Assistant won't open on your PC, temporarily disable any anti-virus software on your PC and try opening Migration Assistant again. Migration Assistant Problem: Authentication Failed. You can re-enable your firewall software after you're done migrating.ĭisable anti-virus software. If Migration Assistant on your Mac still doesn't list your PC, try disabling any Firewall software on your PC that might block network ports needed for Windows Migration Assistant to work. You can create an isolated network by connecting a single Ethernet cable between your Mac and PC.
Some users said the operation made the migration process resumed, re-synced, and finally completed. Unplug the ethernet cable from both machines and re-inserted it. Try to use Target Disk Mode on the old Mac. If your PC doesn't appear in the Setup Assistant or Migration Assistant window on your Mac, make sure they're both connected to the same network. Simple steps to fix Migration Assistant stuck and frozen If you have happened to encounter a similar situation where Migration Assistant stuck and stopped working, here are some troubleshooting steps that you can try to get rid of this issue.