Update states.md

Author: hirenshah1

articles/cloud-services-extended-support/states.md

@@ -13,6 +13,9 @@ ms.date: 07/24/2024
 
 ## Available Provisioning States for Azure Cloud Services (extended support)
 
+> [!IMPORTANT]
+> As of March 31, 2025, cloud Services (classic) is deprecated and will be fully retired on March 31, 2027. [Learn more](https://aka.ms/csesretirement) about this deprecation and [how to migrate](https://aka.ms/cses-retirement-march-2025).
+
 This table lists the different Provisioning states for Cloud Services (extended support) resource. 
 
 | Status |  Description |