咨询：SSIS现有ETL包中ADO Destination符号与ADO.Net Destination的疑问

Hey Warren, I’ve run into this exact confusion while auditing legacy SSIS ETL workflows—let’s break down the most likely explanations:

• Legacy SSIS Version Artifact
  Before SQL Server 2012, SSIS had a distinct ADO Destination component separate from the modern ADO.NET Destination. When older packages are upgraded to newer Visual Studio/SSIS versions, the underlying functionality often gets migrated, but the original component symbol or label might persist in the package layout. If you opened the package in a newer environment, you might have seen a one-time upgrade prompt, but the visual representation sometimes lags behind.

• Third-Party/Custom Component
  Some teams use third-party SSIS components (especially for Oracle-specific integrations) that brand themselves as "ADO Destination" to differentiate from Microsoft’s native ADO.NET connectors. Check your SSIS Toolbox for any non-Microsoft components, or right-click the destination and view its properties—look for a "Creator" or "Provider" field that indicates a third-party origin.

• Manual Labeling Misconfiguration
  It’s also possible a previous developer manually renamed an ADO.NET Destination component to "ADO Destination" (via the component’s Name property) while leaving the core functionality unchanged. Double-click the component to verify its configuration: if it uses an ADO.NET connection manager under the hood, it’s likely just a renamed native component.

Given your use case (transferring data between two Oracle databases via ADO.NET), keep in mind that the legacy ADO Destination relied on OLE DB providers, while the modern ADO.NET Destination uses native ADO.NET Oracle providers. For optimization, you might want to test both components’ performance to see which aligns better with your throughput needs.

内容的提问来源于stack exchange，提问作者Warren Lee