I am currently running VCSA 6.5 upgraded from Windows VC 6.0..
vSphere replication 6.1.1 was running under Windows VC 6.0.
The goal is to get to 8.1 with VCSA 6.7 U1.
I want to upgrade to 8.1 from 6.1.1
Can you tell me the best practices, upgrade path