Moving from SPLA to CSP is more than a billing swap. Here is what actually changes for a hosting business, and where the lookback still bites.
Many hosters are weighing a move from SPLA to the Cloud Solution Provider model. The two programs solve the same problem in different ways, and the change is more than a billing swap. This top of funnel article explains what actually changes for a hosting business under CSP, so you can plan the move without losing compliance or margin.
SPLA is a monthly pay as you consume program where you report usage and carry the compliance obligation across a 36 month lookback. CSP is a subscription and license model where you transact through the Microsoft partner channel and provision per customer. Under SPLA you measure and report. Under CSP you assign and manage subscriptions. The mental model is different, and so are the failure points.
| Dimension | SPLA | CSP |
|---|---|---|
| Commercial model | Monthly pay as you consume | Subscription through the channel |
| Compliance focus | Every month across 36 months | Current assignment and entitlement |
| Core discipline | Measure, map, report, seal | Assign, track, reconcile |
| Audit lookback | 36 month window | Current state with history checks |
The risk in any migration is the overlap. While both models run, usage can be reported twice or fall through a gap and be reported nowhere. Your SPLA obligation does not end the day CSP begins, because the lookback still covers the months you were on SPLA. Plan the cutover so every month is owned by exactly one model and nothing is left unmapped.
A migration is a good moment to clean up, but only if you start from accurate records. Hosters who enter the change with disciplined SPLA reporting and current customer mapping carry that evidence forward and protect themselves against a backward looking audit. Those who treat the move as a fresh start often discover the lookback does not agree.
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