Cut-over again

What else in earth could go wrong.

1. Not enough PoE.
on cutover  night we are deploynig around 290+ phone on one floor of the huge building.After deploying half phone .somephone is not powering up.there you go PoE sortage ..Haha! what do we do .Time was around 11PM.shall we have to rollback .wr we will get poe switch that time of the night.

2. Out of IP address.

3.Vlan communication block on firewall.

4.No option 150 for DHCP scope.

5.Wiring issue.

6.Some room was looked early.

cont..