diff --git a/powerapps-docs/maker/data-platform/autonumber-fields.md b/powerapps-docs/maker/data-platform/autonumber-fields.md
index 9cf73c66d0..47d9b486e6 100644
--- a/powerapps-docs/maker/data-platform/autonumber-fields.md
+++ b/powerapps-docs/maker/data-platform/autonumber-fields.md
@@ -84,6 +84,9 @@ Autonumber columns have a default seed value of 1000, but you may set a custom s
 
 9. Select **Done**.
 
+> [!NOTE]
+>Autonumber column is only supported in the entity designer in Modern Maker Portal in Power Apps.
+
 ## See also
 
  [Create and edit columns for Microsoft Dataverse using Power Apps portal](create-edit-field-portal.md)