The activate commit command will:

| Error Message | Likely Cause | Solution | |---------------|--------------|----------| | Not enough space on flash | Insufficient storage | Delete old .bin files: delete /force /recursive flash:old-image.bin | | Digital signature verification failed | Corrupt download or tampered file | Re-download from Cisco, check MD5 | | Platform not supported | Trying to load lite image on Cat 9500H or 9600 | Use correct image type ( universal ) | | License: permanent right-to-use not allowed | Feature mismatch | Use license right-to-use activate or upgrade to universal image |

Cisco Catalyst 9000 switches should always be upgraded using rather than Bundle Mode. Install mode expands the packages locally, resulting in faster boot times and more efficient memory usage.