System Changeover

1
System Changeover
2
System Cut-Over

• Types of cut-over tactics
• parallel
• crash
• staged
• includes pilot

3
Parallel Cut-Over
OLD SYSTEM
NEW SYSTEM
Parallel Period
4
Crash-Cut-Over
OLD SYSTEM
NEW SYSTEM
Cut-over Date
5
Staged Cut-Over
O L D
N E W
6
Cut-Over Factors

• Costs
• System criticality
• User computer experience
• System complexity
• User resistance
• Level of Change
• BPA
• BPI
• BPR