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Empty Model categories

Mark Wood
Tera Contributor

‎03-10-2025 05:39 AM

Hello team,

While creating a CI in CMDB, I selected a model that did not have any category. However, the asset was still created under the "Computer" category because my CI class was "Computer."

Does this mean that if a model has no category, the asset is created based on the current CI class? Can someone clarify this?

Thank you.

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Kieran Anson
Kilo Patron

‎03-10-2025 06:12 AM

Hey Mark,

Because cmdb_model_category only allows a CI class to have a single entry in this table, ServiceNow has some logic to ensure an asset is created (where appropriate).

  1. It'll search cmdb_model_category based on the CI class
  2. It'll also check to see if the model_id on the current record has model categories
  3. If there is a record in cmdb_model_category, AND the model specified has no model category, the system will update that model to have the category found when searching cmdb_model_category. So in your case, your model should now have "Computer" as a category
  4. If there is no model provided on CI creation, a generic "unknown" model is used
  5. Otherwise, null is returned and no asset is created