If you deploying NSX controller and you hit
Operation failed on VC. For more details, refer to the rootCauseString or the VC logs
then solution is "Make sure NSX manager can ping to vCenter Host (this is the hostname matching on hostname from vCenter server)"
-Saurabh jain
SaurabhRV , looks like you seem to have the resolution already are there any outstanding questions? The error mentions lead to the below KBs:
NSX Edge vxlan trunk configuration fails (2148772) | VMware KB
The link you have pointed out is for vSheild KB that will be confusing, Yes i do have resolution in question itself.