De duplication task is not creaed for same serial number

[testtenentt]

Hi Everyone,

I am currently facing an issue with CMDB duplicate detection for the cmdb_ci_computer table and would appreciate your guidance.

• Identification Rule is configured as follows:

  • Priority 1 → serial_number

  • Priority 2 → name

• Two CIs exist with the same serial number

• Both belong to the same CI class: cmdb_ci_computer

Duplicate Metric Configuration:

• Active = true

• Create Task = true

• Correctness Score Calculation job is running daily

Observation:

For some serial numbers, duplicate remediation tasks are created successfully.

However, for other serial numbers, even though two CIs exist with the same serial number, no duplicate task is created.

I would like to understand:

• Is duplicate task creation dependent on specific CI attributes such as install status or lifecycle state?

• Is there any other functionality or configuration that controls the creation of duplicate remediation tasks?

• Are there any additional checks performed by CMDB Health before generating duplicate tasks?

Could someone please help clarify this behavior?

Thank you in advance for your support.