Reproduced with kind permission from the blog of Ashvini Sharma (MSFT)
InfoPath forms can be saved to XML, these XML Files can later be used in SSIS XMLSource adapter to pull out the data in tables and columns. However, there are some common problems you may meet in these scenarios. This article describes how to work around these potential problems. The issues mentioned in this article is not only specific to InfoPath files, it can also be referenced in other similar situations as well.