Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Based on your description, I understand that you have one Copilot Studio Capacity Pack (25,000 credits/month), no pay-as-you-go configured, and you’re seeing Power Platform Admin Center reporting ~8,221 consumed while Microsoft 365 Admin Center shows 18,618 Cowork usage with 6,382 “available”, yet users are hitting “limit reached” in Cowork. Let me address your three questions in order.
1.Is this the same shared capacity?
Yes and the figures are additive, not overlapping. Copilot Credits from capacity packs can be consumed by multiple services managed by both Microsoft 365 admin center and Power Platform admin center. Capacity that is assigned or used in Power Platform admin center (for example, allocated to specific environments or consumed by agents) reduces the prepaid capacity available for Cowork and Work IQ API. So your real position is:
25,000 − 8,233.74 (assigned to PPAC environments) = ~16,766 truly available for Cowork.
Cowork has consumed 18,618 → the shared pool is effectively exhausted, which is consistent with the “limit reached” message.
2.Which portal is authoritative?
Neither portal alone shows the complete picture, which is exactly the discrepancy you found. The M365 “Credits available: 6,382” figure (25,000 − 18,618) does not appear to be subtracting your Power Platform environment allocation. Microsoft’s guidance is that the billing method page shows Available credits = Total purchased credits − Credits pre-allocated to environments in Power Platform admin center, and recommends using the Copilot > Cost management dashboard in Microsoft 365 admin center to properly identify what is available for Cowork consumption. Also note the dashboards are not real-time, the Overview tab refreshes every 4 hours and the Consumption tab every 2 hours so cross-portal figures can temporarily disagree. The enforcement engine, however, sees the true combined consumption, which is why blocking occurs even while a dashboard still shows a positive balance.
3.Is Cowork expected to be blocked when the pack is exhausted with no PAYG?
Yes. The system always uses prepaid credits first before moving to pay-as-you-go and Microsoft explicitly advises to enable a pay-as-you-go meter to ensure your services continue once prepaid credits are exhausted. With no PAYG meter, there is nothing to overflow into, so Cowork is blocked regardless of your spending policy settings. Your 22,000 policy limit and 20,000 per-user limit are spending limits, not caâpcity, spending policies are limit-based and don’t allocate or reserve credits , so they cannot grant access to credits that no longer exist in the pool.
Recommended actions:
-Review the 8,233.74 credits assigned to environments in PPAC, if some environments don’t need that allocation, reclaiming it frees capacity for Cowork immediately.
-If continued Cowork usage is needed this month, enable pay-as-you-go (or purchase an additional capacity pack / P3 prepaid credits) as an overflow.
-Otherwise, access will restore automatically when credits reset on the first of the month.
Ref: https://learn.microsoft.com/en-us/microsoft-365/copilot/usage-based-billing-manage-copilot-credits
I hope this clarifies the discrepancy. Please let us know if reclaiming the environment allocation resolves the “limit reached” behavior on your side.