# 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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