Update file-sync-release-notes.md

Author: jeffpatt24

articles/storage/file-sync/file-sync-release-notes.md

@@ -68,7 +68,7 @@ Perform one of the following options for your Windows Server 2012 R2 servers pri
 - Option #2: Deploy a new Azure File Sync server that's running a [supported operation system version](file-sync-planning.md#operating-system-requirements) to replace your Windows 2012 R2 servers. For guidance, see [Replace an Azure File Sync server](file-sync-replace-server.md).
 
 >[!NOTE]
->Azure File Sync agent v17.2 is the last agent release currently planned for Windows Server 2012 R2. To continue to receive product improvements and bug fixes, upgrade your servers to Windows Server 2016 or later.
+>Azure File Sync agent v17.3 is the last agent release currently planned for Windows Server 2012 R2. To continue to receive product improvements and bug fixes, upgrade your servers to Windows Server 2016 or later.
 
 ## Version 18.1.0.0 (Security Update)