The business application owner is responsible for the application's performance and availability. Therefore, they should approve any maintenance schedules that could impact the application's functionality, including temporary loss of failover capabilities. Their approval ensures that the business implications are considered and that appropriate contingency plans are in place.
[Reference:ISACA CRISC Review Manual, 7th Edition, Chapter 4: Information Technology and Security, Section: IT Operations and Maintenance., , , , , , , ]
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