Finance Server and Transaction Server have restored their original facility after a disaster.

When restoring operations after a disaster,most critical systemsmust be restored first. Systems enable business functions, and without them, functions cannot operate.

Disaster recovery focuses on restoring IT infrastructure in priority order based on business impact analysis (BIA). While functions are important, they depend on systems to operate. Management and least critical functions are lower priorities.

NIST and ISO/IEC business continuity standards emphasize restoring mission-critical systems first to minimize downtime and financial loss.