IT service Continuity Management is concerned with managing an organization's ability to continue to provide a pre-determined and agreed level of IT Services to support the minimum business requirements following an interruption to the business. Effective IT Service Continuity requires a balance of risk reduction measures such as resilient systems and recovery options including back-up facilities. Configuration Management data is required to facilitate this prevention and planning. Infrastructure and business Changes need to be assessed for their potential impact on the continuity plans, and the IT and business plans should be subject to Change Management procedures. The Service Desk has an important role to play if business continuity is invokes.