diff --git a/docs-mslearn/toolkit/changelog.md b/docs-mslearn/toolkit/changelog.md
index 4bb2472e0..70d917516 100644
--- a/docs-mslearn/toolkit/changelog.md
+++ b/docs-mslearn/toolkit/changelog.md
@@ -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: 05/12/2026
+ms.date: 05/14/2026
 ms.topic: reference
 ms.service: finops
 ms.subservice: finops-toolkit
@@ -36,6 +36,11 @@ The following section lists features and enhancements that are currently in deve
 
 - Cost Management export modules for subscriptions and resource groups.
 
+### [Configure scopes](hubs/configure-scopes.md) updates
+
+- **Changed**
+  - Added a callout to the `config_RunBackfillJob` backfill option clarifying that it isn't supported on Microsoft Customer Agreement (MCA) billing accounts or billing profiles ([#2113](https://github.com/microsoft/finops-toolkit/issues/2113)).
+
 ### [Data dictionary](help/data-dictionary.md) updates
 
 - **Fixed**
diff --git a/docs-mslearn/toolkit/hubs/configure-scopes.md b/docs-mslearn/toolkit/hubs/configure-scopes.md
index 31d8ef6b1..a399727a8 100644
--- a/docs-mslearn/toolkit/hubs/configure-scopes.md
+++ b/docs-mslearn/toolkit/hubs/configure-scopes.md
@@ -3,7 +3,7 @@ title: Configure scopes for FinOps hubs
 description: Connect FinOps hubs to billing accounts and subscriptions by configuring Cost Management exports manually or give FinOps hubs access to manage exports for you.
 author: flanakin
 ms.author: micflan
-ms.date: 04/01/2026
+ms.date: 05/14/2026
 ms.topic: how-to
 ms.service: finops
 ms.subservice: finops-toolkit
@@ -267,6 +267,9 @@ Managed exports use a managed identity (MI) to configure the exports automatical
 
    Use the **config_RunBackfillJob** pipeline to process historical data after it's been exported. For more information about running Azure Data Factory pipelines, see [Azure Data Factory pipelines](/azure/data-factory/concepts-pipelines-activities).
 
+   > [!IMPORTANT]
+   > This option relies on managed exports and is **not supported for Microsoft Customer Agreement (MCA) billing accounts or billing profiles**. The pipeline calls the Cost Management `exports/run` API using the Data Factory managed identity, which Cost Management rejects on MCA scopes regardless of role assignments — typically with an `RBACAccessDenied` error. For MCA, use [Option 2](#option-2-using-cost-management-exports) or [Option 3](#option-3-using-start-finopscostexport-powershell-command) instead.
+
    To run the pipeline from the Azure portal:
 
    1. From the FinOps hub resource group, open the Data Factory instance, select **Launch Studio**, and navigate to **Author** > **Pipelines** > **config_RunBackfillJob**.