VPG Delay power on during move.

So fairly new to zerto but extra large environment.. Vmware to Vmware.   Every 6 months we transition a departments vms to an alternate site.  But we also move the network as well.  So before zerto.  We would have the vms powered down, swing the networks, swing the vms with SRM/storage rep then power them up.   Short of powering off vms outside of zerto is there a way to get this done.  Most of our departments are in the 6-700 vm count and anywhere between 1-5 networks being moved and re-advertised from the new site, and between 400 and 900TB of data.  The network swing process can be lengthy depending on complexity and we really don’t want to boot the vms on the recovery site until they are there.

Advice?