Cutover Runbook

This runbook provides a detailed execution plan for the final migration and go-live activities. Customize timing based on your specific requirements.

🚨 Rehearse First
Perform at least one full cutover rehearsal in Sandbox before the actual go-live. Document actual timing and adjust this runbook accordingly.
T-2 Weeks

Two Weeks Before Go-Live

T-2 Week Checklist

T-1 Week

One Week Before Go-Live

T-1 Week Checklist

Cutover Day

Go-Live Execution

T-0 (6:00 PM Friday) Freeze legacy system for final extract
T+1 hour Export final data from legacy
T+2 hours Prepare final import files
T+3 hours Import closing balances
T+5 hours Import open AR/AP
T+7 hours Reconcile trial balance
T+8 hours Finance sign-off on balances
GO-LIVE System available for transactions
⚠️ Go/No-Go Decision
Build in a decision point after reconciliation. If balances don't match within tolerance, execute rollback plan rather than going live with incorrect data.
Day 1

First Day Post Go-Live

Day 1 Checklist

Week 1

First Week Stabilization

Week 1 Checklist

💡 Hypercare Period
Plan for elevated support during the first 2-4 weeks. Gradual reduction as users become comfortable with the new system.