diff --git a/windows/client-management/mdm/policy-configuration-service-provider.md b/windows/client-management/mdm/policy-configuration-service-provider.md
index eb3f8eb24e..71132b1c96 100644
--- a/windows/client-management/mdm/policy-configuration-service-provider.md
+++ b/windows/client-management/mdm/policy-configuration-service-provider.md
@@ -4061,6 +4061,9 @@ The following diagram shows the Policy configuration service provider in tree fo
 - [Policy CSPs supported by Group Policy](policy-csps-supported-by-group-policy.md)
 - [ADMX-backed policy CSPs](policy-csps-admx-backed.md)
 
+> [!NOTE]
+> Not all Policy CSPs supported by Group Policy are ADMX-backed. For more details, see [Understanding ADMX-backed policies](./understanding-admx-backed-policies.md).
+
 ## Policy CSPs supported by HoloLens devices
 - [Policy CSPs supported by HoloLens 2](policy-csps-supported-by-hololens2.md)  
 - [Policy CSPs supported by HoloLens (1st gen) Commercial Suite](policy-csps-supported-by-hololens-1st-gen-commercial-suite.md)