A working spreadsheet and method that lets a hosting provider, managed service provider, or ISV prove SPLA compliance for every month of the 36 month lookback before an auditor ever asks. Build the evidence while it is cheap to build, not under deadline.
A structured XLSX that turns reporting discipline into a register you can hand an auditor with confidence.
The structural defense in a SPLA audit is reporting discipline, and discipline needs a system. This workbook gives you one. It tracks monthly SAL reports submitted on time for every month, sealed daily authentication counts, customer mapping for each reported SAL block, product version mapping, and documented multi tenant isolation. There is only a short window to correct a reporting mistake, so the workbook is built to catch gaps early.
Pair it with building a SPLA compliance register and common SPLA reporting errors.
Indicative layout of a single month in the workbook.
| Field | Source | Check |
|---|---|---|
| Reported SAL count | Monthly SPLA report | Submitted on time |
| Sealed authentication count | Daily peak, sealed | Reconciles to SAL |
| Customer mapping | Contracts | Every SAL block mapped |
| Product version | SPUR for the month | Edition matches rights |
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