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docs: reflect real-world hub cost estimate ranges #2285

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docs: reflect real-world hub cost estimate ranges
flanakin Aug 26, 2026
a0cad67
chore: Update ms.date in docs-mslearn files
github-actions[bot] Aug 26, 2026
9b5783e
docs: add changelog entry for hub cost estimate update
flanakin Sep 1, 2026
a7f2fd1
Merge remote-tracking branch into flanakin/2229-hub-cost-estimate-docs
flanakin Sep 1, 2026
b4e679e
chore: Update ms.date in docs-mslearn files
github-actions[bot] Sep 1, 2026
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3 changes: 2 additions & 1 deletion docs-mslearn/toolkit/changelog.md
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Expand Up @@ -3,7 +3,7 @@ title: FinOps toolkit changelog
description: Review the latest features and enhancements in the FinOps toolkit, including updates to FinOps hubs, Power BI reports, and more.
author: MSBrett
ms.author: brettwil
ms.date: 08/22/2026
ms.date: 09/01/2026
ms.topic: reference
ms.service: finops
ms.subservice: finops-toolkit
Expand Down Expand Up @@ -33,6 +33,7 @@ The following section lists features and enhancements that are currently in deve
- Clarified that the FinOps toolkit exclusively manages the FinOps hub virtual network and documented customer-managed private endpoints as the preferred private-access topology, with virtual network peering as a secondary option ([#2156](https://github.com/microsoft/finops-toolkit/issues/2156)).
- Replaced redundant `tolower()` comparisons in hub KQL with case-insensitive operators (`has`, `=~`, `!~`) so the engine can use the term index instead of scanning every row ([#2213](https://github.com/microsoft/finops-toolkit/issues/2213)).
- Replaced whole-term `contains` matches with `has` across hub KQL and the query catalog (resource ID paths, licensing phrases, SKU description terms) and added a per-row operator-equivalence regression harness with unit test coverage ([#2220](https://github.com/microsoft/finops-toolkit/pull/2220)).
- Updated the hub cost estimate note to reflect real-world Azure Data Explorer and Microsoft Fabric pricing and called out that Data Explorer cost varies significantly by region; the previous flat estimate understated actual cost for some regions and SKUs ([#2229](https://github.com/microsoft/finops-toolkit/issues/2229)).
- **Fixed**
- Fixed private-network deployments that Azure Policy blocked when `defaultOutboundAccess` was omitted. Private mode subnets now set it to `false`, while an Azure Files private endpoint supports deployment-script storage and the NAT Gateway provides required container egress ([#2258](https://github.com/microsoft/finops-toolkit/issues/2258), [#2259](https://github.com/microsoft/finops-toolkit/pull/2259)).
- Fixed the `ContractedCost` recompute guard to compare with a null-safe tolerance instead of exact float equality, eliminating millions of no-op rewrites that polluted the `x_SourceValues` audit trail while preserving the null-cost backfill and no longer overwriting an existing cost when the unit price is missing ([#2216](https://github.com/microsoft/finops-toolkit/issues/2216)).
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6 changes: 3 additions & 3 deletions docs-mslearn/toolkit/hubs/finops-hubs-overview.md
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Expand Up @@ -3,7 +3,7 @@ title: FinOps hubs overview
description: FinOps hubs provide a reliable platform for cost analytics, insights, and optimization, supporting large accounts and organizations.
author: flanakin
ms.author: micflan
ms.date: 08/13/2026
ms.date: 09/01/2026
ms.topic: concept-article
ms.service: finops
ms.subservice: finops-toolkit
Expand All @@ -25,9 +25,9 @@ FinOps hubs extend Cost Management to provide a scalable platform for advanced d

<!-- prettier-ignore-start -->
> [!NOTE]
> Estimated cost: Starts at $120/mo + $10/mo per $1M in cost being monitored.
> Estimated cost: Starts at $160/mo + $10/mo per $1M in cost being monitored.

@RolandKrummenacher Roland Krummenacher (RolandKrummenacher) Aug 28, 2026

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If the per-$1M figure is being revised (see the note on line 30 — the body now says $15 without Data Explorer while this line and the next still say $10), this headline needs to move in step. Right now a reader gets $10 here, $10 in the first half of the note, and $15 in the second half.

>
> Estimated monthly cost includes $120 for a single-node Azure Data Explorer cluster or $300 for F2 Fabric capacity, plus $10 in Azure storage and processing cost per $1M being monitored. Exact cost will vary based on discounts, data size (we estimate ~20GB per $1M), and Fabric or Power BI license requirements. Cost without Data Explorer or Fabric is $5 per $1M. For details, refer to the [FinOps hub cost estimate](https://aka.ms/finops/hubs/calculator) in the Azure Pricing Calculator.
> Estimated monthly cost includes $160+ for a single-node Azure Data Explorer cluster or $310 for F2 Fabric capacity, plus $10 in Azure storage and processing cost per $1M being monitored. Exact cost will vary based on discounts, region, data size, and Fabric or Power BI license requirements. Cost without Data Explorer or Fabric is $15 per $1M. For details, refer to the [FinOps hub cost estimate](https://aka.ms/finops/hubs/calculator) in the Azure Pricing Calculator.

@RolandKrummenacher Roland Krummenacher (RolandKrummenacher) Aug 28, 2026

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These two numbers can't both be right:

...plus $10 in Azure storage and processing cost per $1M being monitored. ... Cost without Data Explorer or Fabric is $15 per $1M.

The old pairing ($10 with Data Explorer, $5 without) was coherent — drop ADX, drop the ingestion-side cost. The new pairing has the no-ADX deployment costing more per $1M than the ADX deployment's incremental, which inverts that. One of the two has been updated and the other hasn't.

If $15 is the corrected storage + Data Factory figure, then the $10 here and in the headline on line 28 both need to move with it. Worth double-checking the number itself too — it's a 3-5x jump from the ~$3-5 per $1M quoted in help-me-choose.md:52.

Nit: dropping "(we estimate ~20GB per $1M)" removes the only handle a reader has for sanity-checking against their own data volume. Could it stay alongside the new "region" caveat rather than being swapped out for it?

<!-- prettier-ignore-end -->

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