Legacy System Modernization Checklist for SMBs

This checklist helps small and medium businesses assess readiness for upgrading or replacing legacy IT systems in 2021.

• ✅ Inventory all legacy applications and systems
• ✅ Evaluate business criticality and user base of each system
• ✅ Identify compatibility risks with current infrastructure
• ✅ Determine technical debt and maintenance costs
• ✅ Assess data migration feasibility and scope
• ✅ Define business outcomes for modernization
• ✅ Prioritize systems based on risk and impact
• ✅ Align modernization projects with budget and resourcing
• ✅ Develop a phased migration or upgrade roadmap
• ✅ Involve users and stakeholders early in the process