Important Pre-OS Upgrade Notes
Please consider the following items prior to upgrading the operating system:
- The system becomes unavailable while OS upgrade is in progress 
- Before upgrading the software image on your system, make sure to close all CLI sessions besides the one used to run the upgrade process 
- You have to read and accept the End-User License Agreement (EULA) after image upgrade in case the EULA is modified. The EULA link is only available upon first login to CLI