Installed vRA 6.2.1 and configured successfully.
Added vCenter Endpoint
Tested create datacenter workflow from catalog and it works fine
Imported my plugin to orchectrator
Tested one workflow and throws Fail to retrieve etc..
Rebooted vRA appliance
Now default orchestrator test connection failed.
Selected external orchestrator option and provided same vRA embedded vRO credential
Test connection successful - Not sure why it failed when I choose default orchestrator
Now tested my plugin workflow and it works fine.
Later I choose default orchestrator still test connection fails - Any reason?