MSBuild Error MSB1039

MSB1039: Specify the version of the Toolset.

No value was specified when the /ToolsVersion switch was used.

To correct this error

  • When you use the /ToolsVersion switch, make sure that you specify a valid, non-empty value for ToolsVersion.

See Also

Reference

Project Element (MSBuild)

Resources for Troubleshooting MSBuild Errors

Other Resources

Building for Specific .NET Framework Versions