--- title: Software Asset Management licensing description: Software Asset Management \(SAM\) licensing is based on five categories of managed IT resources: Server, End User Computing Device, SaaS Subscription User, PaaS Resources, and IaaS Storage. Each category is counted toward your subscription at a different ratio. locale: en-US canonical_url: https://www.servicenow.com/docs/r/it-asset-management/software-asset-management/managed-it-resource-types.html release: brazil product: Software Asset Management classification: software-asset-management topic_type: concept last_updated: "2026-09-10" reading_time_minutes: 1 breadcrumb: [Subscriptions for Software Asset Management, Software Asset Management, IT Asset Management, Asset Management] --- # Software Asset Management licensing Software Asset Management \(SAM\) licensing is based on five categories of managed IT resources: Server, End User Computing Device, SaaS Subscription User, PaaS Resources, and IaaS Storage. Each category is counted toward your subscription at a different ratio. Each managed IT resource category is represented as a configuration item \(CI\) or table record in Software Asset Management. The subscription ratio differs by category, since the management effort required varies by resource type. ## Managed IT resource categories
Resource type Description Ratio CMDB classes
Server Physical or virtual server that is represented as a configuration item \(CI\) in the CMDB tables listed in the following license resource categories and managed by Software Asset Management. 1:1 - cmdb\_ci\_server - cmdb\_ci\_win\_server - cmdb\_ci\_linux\_server - cmdb\_ci\_aix\_server - cmdb\_ci\_esx\_server - cmdb\_ci\_solaris\_server - cmdb\_ci\_hyper\_v\_server - cmdb\_ci\_hpux\_server **Note:** Any CMDB classes derived from the above listed classes or cmdb\_ci\_hardware and not defined as another Managed IT Resource type.
End User Computing Device Physical or virtual non-server CI in the CMDB tables listed in the following license resource categories and managed by Software Asset Management. 1:4 - cmdb\_ci\_computer - cmdb\_ci\_handheld\_computing - cmdb\_ci\_pc\_hardware Any CMDB classes derived from cmdb\_ci\_pc\_hardware.
SaaS Subscription User Unique User Principal name in the SaaS Subscription User table listed in the following license resource categories and managed by Software Asset Management. 1:15 samp\_sw\_subscription
PaaS Resources Cloud-based platform services that are represented as a CI in the CMDB tables listed in the following license resource categories and managed by Software Asset Management. 1:3 - cmdb\_ci\_database - cmdb\_ci\_cloud\_database Any child classes of the above listed classes.
IaaS Storage Cloud-based infrastructure service represented as a CI in a CMDB table listed in the following license resource categories and managed by Software Asset Management. 1:3 cmdb\_ci\_storage\_volumeAny child classes of the above listed classes.
**Important:** Software Asset Management manages servers and end user computing devices only when their installed software on the Managed IT Resources is represented in the Software Installation \[cmdb\_sam\_sw\_install\] table. **Parent Topic:**[Subscriptions for Software Asset Management](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-asset-management/software-asset-management/sam-subscription.md)