White paper · ILMT and sub-capacity
The Sub-Capacity Compliance Handbook.
Sub-capacity licensing lets you license only the virtual cores running IBM software, but every condition has to hold or IBM defaults you to the whole host. This handbook lays out the rules and the evidence that keep the claim intact. Independent, not affiliated with IBM.
What is inside.
01
The 90 day rule
Why ILMT or an approved tool must be deployed within 90 days of first eligible use, and what counts as the start date.
02
Continuous running
The agents, scans and uptime that keep a period defensible, and how a gap voids the claim.
03
Quarterly reports
Generating and retaining the reports for two years, the document IBM asks for first.
04
Approved tools
Where ILMT, HCL BigFix Inventory and Flexera One ITAM each satisfy the requirement.
05
The full-capacity trap
How 480 PVU sub-capacity becomes 3,840 PVU full capacity when the evidence fails.
06
Hypervisor rules
Why LPAR counts allocated cores even when idle, and where ineligible technology breaks eligibility.
Who it is for.
Audience
Buyers carrying IBM exposure
Procurement, software asset management and IT leaders who want an independent read before IBM sets the number.
- Software asset managers owning the ILMT estate
- Procurement leads sizing IBM exposure
- IT and infrastructure teams running sub-capacity hosts
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Independent. Not affiliated with IBM Corporation.Buyer Side · Est. 2019