Lab/Challenge Times Out Immediately

This happens when your local system time is out of sync with the network time. If you force a re-sync, you will be able to log back into the site and then successfully complete the lab or challenge. Here are the steps to force a re-sync of your local system time:

Windows 10
  1. Click on your computer's clock and select Adjust date/time.
  2. Toggle on/off for Set Time Automatically.




  1. Open up your local terminal application
  2. Execute this command:
sudo ntpdate -u

Good luck!