What is the most important factor to consider when upgrading the Building Management System (BMS)?

The requirement to automate FM tasks (B) is the most critical factor in upgrading a BMS, as automation improves efficiency, reduces costs, and enhances operational control.

Why this option?

Automation leads to better facility management, energy efficiency, and maintenance scheduling.

Why not other options?

(A) Software obsolescence alone does not justify an upgrade unless it affects functionality.

(C) A new version does not necessarily mean an upgrade is needed.

(D) Additional metrics are helpful but are secondary to core automation needs.