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MIS 161 Systems Development Life Cycle II Lecture 6: System Changeover Issues PowerPoint Presentation
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MIS 161 Systems Development Life Cycle II Lecture 6: System Changeover Issues

MIS 161 Systems Development Life Cycle II Lecture 6: System Changeover Issues

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MIS 161 Systems Development Life Cycle II Lecture 6: System Changeover Issues

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  1. MIS 161 Systems Development Life Cycle II Lecture 6:System Changeover Issues Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  2. Changeover Process • Scheduling process • Weekends, nights, or holidays • Notification to customers • external • internal • Activity phase-down • only priority transactions Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  3. Elements of a Scheduling Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  4. Scheduling Process • What activities will be performed when and by whom • Technical aspects • Installing hardware and software • Converting data • Organizational aspects • Training users on the system • Motivating employees to use the new system to aid in their work • Change management Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  5. Changeover Process • File conversion • download old system • upload new system • System changeover • New system priming • start feeding transactions Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  6. Parallel Cut-Over • For a time both old and new systems are used. • The old is abandoned when the new is proven • fully capable OLD SYSTEM NEW SYSTEM Parallel Period Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  7. Direct (Crash) Changeover The new system instantly replaces the old OLD SYSTEM NEW SYSTEM Cut-over Date Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  8. Staged Changeover The system is converted in stages N E W O L D Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  9. Changeover Factors • Costs • System criticality • User computer experience • System complexity • User resistance • Time Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  10. Institutionalization of the System • Provide support • Assistance in using the system • Provide maintenance • Repair or fix discovered bugs or errors • Add minor enhancements to provide added value • Assess the project • Analyze what was done well • Discover what activities need improvement in the future Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  11. Types of System Support • On-demand training at time of user need • Online support • Frequently asked questions (FAQ) • Help desk • Phone service for known issues • Level 2 Support Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  12. Training • New system training must be performed • Analysts must consider • Who needs to be trained • Who will train them • Objectives of training • Methods of instruction to be used • Sites • Materials Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  13. Sources of Training • Possible sources of training for users of information systems include • Vendors • Systems analysts • External paid trainers • In-house trainers • Other system users Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  14. Maintaining/Modifying the System • Problem reports from the operations group • Requests for enhancements from users • Requests from other systems development projects • Change requests from senior management Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  15. Project Assessment • Important for continued project improvement • Especially important for junior personnel to improve quickly Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  16. Project Team Review • Each member prepares 2-3 page document regarding her or his actions during the project • Focus on improvement not penalties • Excellent behaviors are acknowledged and diffused to others • Team leader summarizes and distributes lessons learned Sylnovie Merchant, Ph.D. MIS 161 Spring 2005

  17. System Review • Examine the extent to which the costs and benefits of the system are realized • Use this information to help in more accurately estimating costs and benefits for future projects Sylnovie Merchant, Ph.D. MIS 161 Spring 2005