diff --git a/modules/desktop-virtualization/application-group/MOVED-TO-AVM.md b/modules/desktop-virtualization/application-group/MOVED-TO-AVM.md
new file mode 100644
index 0000000000..cec0941d12
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+++ b/modules/desktop-virtualization/application-group/MOVED-TO-AVM.md
@@ -0,0 +1 @@
+This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
diff --git a/modules/desktop-virtualization/application-group/README.md b/modules/desktop-virtualization/application-group/README.md
index 2a1f26658b..4447cc5e3b 100644
--- a/modules/desktop-virtualization/application-group/README.md
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 # Azure Virtual Desktop (AVD) Application Groups `[Microsoft.DesktopVirtualization/applicationGroups]`
 
+> This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
+
 This module deploys an Azure Virtual Desktop (AVD) Application Group.
 
 ## Navigation