A01 chaf6542 06 se fm indd

Activity

1 

Identify the variables which will determine the choice of changeover method.

2 

Which changeover alternative would you recommend for a B2B company if it 

 introduces a new  intranet-  based virtual helpdesk?

3 

Justify your answer by analysing in a table the degree of risk, from high to low for 

each factor across each approach.

Answers to activities can be found at www.pearsoned.co.uk/chaffey

Method

Main advantages

Main disadvantages

1  Immediate cutover. Straight from old 

system to new system on a single date

Rapid, lowest cost

High risk. Major disruption if serious 

errors with system

2  Parallel running. Old system and new 

system run side-by-side for a period

Lower risk than immediate cutover

Slower and higher cost than 

immediate cutover