| Issue | Solution | |-------|----------| | “Authentication Failed” on launch | Your NetAcad password expired. Reset via netacad.com and re-login. | | Packet Tracer crashes on startup | Clear the PT cache: %appdata%/Cisco Packet Tracer/8.0.1/ delete the .cache folder. | | Activity Wizard missing | Only appears if your NetAcad instructor role is verified. Students see limited activity functions. | | Cannot find IoT devices | In PT 8.0.1 verified, go to and enable. |
Cisco Packet Tracer 8.0.1: Features, Download, and Verified Guide