Using the SSIS Upgrade Wizard crashed immediately with "SSIS834: Unsupported Data Types."
To avoid seeing this error in the future, implement these standard ETL practices: ssis834 fixed
If your package uses Excel or Access drivers, ensure the "Run64BitRuntime" property in the Project Debug settings matches your installed drivers. Using the SSIS Upgrade Wizard crashed immediately with
Implementing structural fixes for SSIS 834 processing errors resolves architecture vulnerabilities, corrects flat-file schema mismatches, and prevents runtime identity issues. Understanding the SSIS 834 Data Pipeline The version number cannot be greater than the
"The package version number is not valid. The version number cannot be greater than the current version number." Why: You saved an .dtsx file in Visual Studio 2019 (SSIS for SQL 2019) and tried to open it in Visual Studio 2015 (SSIS for SQL 2016). The Fix: You must change the TargetServerVersion property.