Update build-versions.md

Author: MonicaChenc

support/sql/releases/sqlserver-2017/build-versions.md

@@ -13,6 +13,9 @@ This article lists the Microsoft SQL Server 2017 builds that were released after
 
 ## SQL Server 2017 Azure Connect Pack builds
 
+> [!NOTE]
+> Azure Connect Feature Pack is optional and should be installed only if you intend to connect SQL Server with Azure SQL Managed Instance.
+
 | Cumulative update name | SQL Server product version | SQL Server (sqlservr.exe) file version | Analysis Services product version | Analysis Services (msmdsrv.exe) file version | Knowledge Base number | Release date |
 |---------------|--------------|------------------|-------------|-----------------|------------------------------------|--------------------|
 | Azure Connect Pack | 14.0.3490.10  | 2017.140.3490.10  | 14.0.249.106 | 2017.140.249.106 | [KB5050533](azureconnect.md) | March 06, 2025 |