# Illumina DNA Prep with Enrichment – Tagmentation: Best Practices and Troubleshooting Video

In this video, we discuss best practices and troubleshooting for the Illumina DNA Prep with Enrichment - Tagmentation protocol (formerly known as Nextera Flex for Enrichment). Guidance and recommended best practices are provided for both the Library Preparation and Enrichment portions of the protocol.

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{% embed url="<https://www.youtube.com/watch?v=HvTu3ZKThpk&ab_channel=Illumina>" %}

Video length: 12:06 min

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| *For any feedback or questions regarding this article (Illumina Knowledge Article #5790), contact Illumina Technical Support* [*techsupport@illumina.com*](mailto:techsupport@illumina.com?subject=Question%2FFeedback%20Regarding%20Illumina%20Knowledge%20Article%20#000005790%20-%20Library%20Preparation%20\&body=Dear%20Illumina%20Technical%20Support,%0D%0A%0D%0A)*.* |


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