VMs Under Vcenter 5.5 and With ESXi Vcloud License using Distributed Switch for VMwork load would like to Migrate to Vcenter 6.7 Standard License using Standard Switch

Best recommended Procedure with impact to VMs

Source:

Vcenter Server:5.5

ESXi Host:5.5

Distributed switch used for VMs with (Licensing Model: VCLOUD License)

Destination:

Vcenter Server:6.7

ESXi Host:6.7

Configuration is standard Switch (Licensing Model:Standard License)