HAM model category recommendations
concept brazil Updated Sep 10, 2026 2 min read cmdb-sa-ham-scope-recom.md
CMDB success advisor analyzes hardware asset data in your instance to recommend which model categories should be in your HAM advisor scope.
Recommendations are ranked by asset count: the number of hardware assets in the Hardware [alm_hardware] table associated with each model category. Recommendations always total up to 10 model categories.
You aren't required to accept all recommendations. Recommendations are guidance, and your organization's priorities should drive the final advisor scope selection.
Ranking logic
How recommendations are generated depends on whether the Hardware Asset Management plugin (sn_hamp) is installed and, if so, which resource categories are opted in:
- If the sn_cmdb_advisor.ham_scope_recommendation_criteria system property is set to
PREDEFINED, CMDB success advisor skips asset-count ranking entirely and recommends the default model categories. See Default model categories. - If the sn_hamp plugin isn't installed, CMDB success advisor recommends the Computer model category plus the top nine server model categories by asset count. If fewer than 10 model categories result, additional model categories are added from the remaining predefined resource categories to reach 10.
- If the sn_hamp plugin is installed but no resource categories are opted in, no recommendations are generated. Opt in at least one resource category to receive recommendations. See Managing opt-in and opt-out resource categories for HAM in CMDB success advisor.
- If the sn_hamp plugin is installed and neither the Servers nor the End User Computers resource category is opted in, CMDB success advisor recommends the top 10 model categories by asset count across all opted-in resource categories.
- If the sn_hamp plugin is installed and the Servers or the End User Computers resource category is opted in, CMDB success advisor recommends the Computer model category (if End User Computers is opted in) plus the top nine server model categories by asset count (if Servers is opted in). If fewer than 10 model categories result, additional model categories are added from the remaining opted-in resource categories to reach 10.
Note: Model categories with zero assets are never recommended.
Default model categories
If asset-count ranking produces no results, or if the sn_cmdb_advisor.ham_scope_recommendation_criteria system property is set to PREDEFINED, CMDB success advisor recommends this fixed set of model categories instead:
- Computer
- Server
- Linux Server
- Windows Server
- Network Gear
Keywords model category recommendationsHAM scope selection logicasset count rankingham\_scope\_recommendation\_criteria system propertyHAM Pro resource categories
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--- title: HAM model category recommendations description: CMDB success advisor analyzes hardware asset data in your instance to recommend which model categories should be in your HAM advisor scope. locale: en-US canonical_url: https://www.servicenow.com/docs/r/it-asset-management/hardware-asset-management/cmdb-sa-ham-scope-recom.html release: brazil product: Hardware Asset Management classification: hardware-asset-management topic_type: concept last_updated: "2026-09-10" reading_time_minutes: 2 keywords: [model category recommendations, HAM scope selection logic, asset count ranking, ham\_scope\_recommendation\_criteria system property, HAM Pro resource categories] breadcrumb: [Use HAM advisor, Use, Hardware Asset Management, IT Asset Management, Asset Management] --- # HAM model category recommendations CMDB success advisor analyzes hardware asset data in your instance to recommend which model categories should be in your HAM advisor scope. Recommendations are ranked by asset count: the number of hardware assets in the Hardware \[alm\_hardware\] table associated with each model category. Recommendations always total up to 10 model categories. You aren't required to accept all recommendations. Recommendations are guidance, and your organization's priorities should drive the final advisor scope selection. ## Ranking logic How recommendations are generated depends on whether the Hardware Asset Management plugin \(sn\_hamp\) is installed and, if so, which resource categories are opted in: - If the **sn\_cmdb\_advisor.ham\_scope\_recommendation\_criteria** system property is set to `PREDEFINED`, CMDB success advisor skips asset-count ranking entirely and recommends the default model categories. See [Default model categories](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-asset-management/hardware-asset-management/cmdb-sa-ham-scope-recom.md). - If the sn\_hamp plugin isn't installed, CMDB success advisor recommends the Computer model category plus the top nine server model categories by asset count. If fewer than 10 model categories result, additional model categories are added from the remaining predefined resource categories to reach 10. - If the sn\_hamp plugin is installed but no resource categories are opted in, no recommendations are generated. Opt in at least one resource category to receive recommendations. See [Managing opt-in and opt-out resource categories for HAM in CMDB success advisor](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-asset-management/hardware-asset-management/cmdb-sa-ham-opt-categories.md). - If the sn\_hamp plugin is installed and neither the Servers nor the End User Computers resource category is opted in, CMDB success advisor recommends the top 10 model categories by asset count across all opted-in resource categories. - If the sn\_hamp plugin is installed and the Servers or the End User Computers resource category is opted in, CMDB success advisor recommends the Computer model category \(if End User Computers is opted in\) plus the top nine server model categories by asset count \(if Servers is opted in\). If fewer than 10 model categories result, additional model categories are added from the remaining opted-in resource categories to reach 10. **Note:** Model categories with zero assets are never recommended. ## Default model categories If asset-count ranking produces no results, or if the **sn\_cmdb\_advisor.ham\_scope\_recommendation\_criteria** system property is set to `PREDEFINED`, CMDB success advisor recommends this fixed set of model categories instead: - Computer - Server - Linux Server - Windows Server - Network Gear
| title | HAM model category recommendations |
| description | CMDB success advisor analyzes hardware asset data in your instance to recommend which model categories should be in your HAM advisor scope. |
| locale | en-US |
| canonical_url | https://www.servicenow.com/docs/r/it-asset-management/hardware-asset-management/cmdb-sa-ham-scope-recom.html |
| release | brazil |
| product | Hardware Asset Management |
| classification | hardware-asset-management |
| topic_type | concept |
| last_updated | 2026-09-10 |
| reading_time_minutes | 2 |
| keywords | model category recommendationsHAM scope selection logicasset count rankingham\_scope\_recommendation\_criteria system propertyHAM Pro resource categories |
| breadcrumb | Use HAM advisorUseHardware Asset ManagementIT Asset ManagementAsset Management |