# How to Manually Start and Stop Universal Copy Service (UCS) on the NextSeq 1000/2000 Video

This video shows how to manually start and stop Universal Copy Service (UCS) for NextSeq 1000/2000. Starting and stopping UCS can be helpful when troubleshooting data transfer issues.

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{% embed url="<https://www.youtube.com/watch?v=U6aKMZFfS7k&ab_channel=Illumina>" %}

Video length: 2:59 min

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| *For any feedback or questions regarding this article (Illumina Knowledge Article #6674), contact Illumina Technical Support* [*techsupport@illumina.com*](mailto:techsupport@illumina.com?subject=Question%2FFeedback%20Regarding%20Illumina%20Knowledge%20Article%20#000006674%20-%20Instrumentation%20\&body=Dear%20Illumina%20Technical%20Support,%0D%0A%0D%0A)*.* |


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