Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
Thank you mhdganji110 I had the same problem going from 3.16.04 (new box from cisco) to 16.6.4
troubleshot it almost the same way
With your suggestion I loaded 16.3.7 with no problem, and after the reboot loaded 16.6.4