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Matulaitis
Inspiring
June 18, 2026

P: Canon tethering stopped working after updating to Lightroom Classic v15.4

  • June 18, 2026
  • 31 replies
  • 560 views

Installed this and my tethered camera setup no longer works.  It appears to work as before, but no images are transferred.  Canon R1, Windows 11.  Anyone else having tethering issues?

      Pinned Reply By Rikk Flohr_Photography

      See ​@Matulaitis  post:  

       for a workaround to get your tether functioning again. 

      31 replies

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      Rikk Flohr_Photography
      Community Manager
      Rikk Flohr_PhotographyCommunity Manager
      June 19, 2026

      I tested a Canon R5 and a Canon 5DMKIV today, and both worked as expected in 15.4. 

      Rikk Flohr: Adobe Photography Org
      ploymeric
      ploymeric
      Participant
      June 26, 2026

      Just as a datapoint in case it’s helpful: 


      I had a shoot today for the first time with 15.4.1 - also Canon R5 which I’ve used with LRC tethering many times. Found a few issues - first off I have the camera set for dual write RAW on one card, JPG on the other.  Only the JPG was being sent over during the tether. This is something which I’ve seen occasionally before but was persistent today. Secondly, I was getting the PC FULL error as mentioned elsewhere here after maybe a dozen successful shots. Restarting the tether session gave me another handful of shots before failing again. After a few tries I gave up on the tether altogether and shot straight to card. I didn’t know about the fallback option for the Canon SDK so I didn’t try it :( 

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