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.
I have run into more problems attempting this upgrade that expected. I originally tried going from 8.2.5 to 8.3 and Cisco told me to go directly to 8.4.7ISSUE # 1: Their instructions on doing a zero downtime upgrade on an active standby unit states ...