# "Unable to Claim Interface" error - workaround 

**URL:** https://forum.makecode.com/t/unable-to-claim-interface-error-workaround/14429
**Category:** Jacdac
**Created:** [July 14, 2022, 2:03am UTC](https://forum.makecode.com/t/unable-to-claim-interface-error-workaround/14429 "2022-07-14T02:03:42Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![dsssssssss9](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/dsssssssss9/32/861_2.png) [@dsssssssss9](https://forum.makecode.com/u/dsssssssss9)
#### Post date: [July 14, 2022, 2:03am UTC](https://forum.makecode.com/t/unable-to-claim-interface-error-workaround/14429/1 "2022-07-14T02:03:42Z")

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Hi  
It seems that only 1 browser tab at a time can connect.  
If you try to connect in another tab you get " unable to Claim Interface " error

I have found a fairly easy workaround ( at least it works for me ! )

See this video on YouTube ,

[![](https://img.youtube.com/vi/tJb2mEvND8Q/maxresdefault.jpg "switch between MakeCode for Micro:Bit and Jacdac Dashboard") ](https://www.youtube.com/watch?v=tJb2mEvND8Q)

Hope this helps