In FortiAnalyzer's playbook execution model, the overall status of a playbook is contingent on the successful completion of all its constituent tasks. If any single task within the workflow fails, the entire playbook execution is considered to have failed. This is because the automated process did not complete its intended sequence of actions successfully. Therefore, even with four out of five tasks succeeding, the single failure causes the final playbook status to be marked as "Failed".

A. Success: This status is incorrect because a playbook is only marked as "Success" if all of its tasks complete without any failures.

C. Running: This is an intermediate status indicating that the playbook is still in the process of executing. The scenario describes a completed execution, not an ongoing one.

D. Upstreamfailed: This is a status for an individual task, not the entire playbook. It signifies that a task was skipped because a preceding task it depended on had failed.

1. FortiSOAR Documentation (Playbook Engine): The logic for playbook execution status is inherited from FortiSOAR. The documentation clarifies playbook states. The "Failed" status is explicitly defined: "A playbook is marked as Failed if any of its steps fail to execute."

Source: FortiSOAR > Playbooks > The Playbook Engine > Playbook Execution. (This principle is fundamental to the FortiSOAR engine integrated into FortiAnalyzer).

2. FortiAnalyzer 7.4.0 Administration Guide: The guide describes monitoring playbook execution and shows the possible statuses. A playbook run that contains a failed task will show a "Failed" status in the execution log.

Source: FortiAnalyzer 7.4.0 Administration Guide

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"Monitoring playbook execution". The section illustrates that a non-successful completion results in a "Failed" status for the playbook run.