Camera disconnects during tethering in Lightroom

Your camera frequently disconnects when you shoot tethered in Lightroom 5.2 or 5.3.


Update to the latest version of Lightroom. In Lightroom, choose Help > Check for Updates. Install any Lightroom updates that are available.

Download and install the attached file.

  1. Download the attached file. This file works on both platforms.
  2. Double-click the file to decompress it. The resulting file is named config.lua.
  3. Open Lightroom.
  4. Choose Lightroom > Preferences > Presets (Mac OS) or Edit > Preferences > Presets  (Windows).
  5. Select Show Lightroom Presets Folder, and open the selected Lightroom folder. 
  6. Copy the config.lua file into the Lightroom folder.
  7. Quit Lightroom, then restart Lightroom.


(Optional) Determine if the file is installed correctly.

  1. Open Lightroom.
  2. Choose Help > System Info.
  3. If the config.lua file is installed in the correct location, these lines are in the top section of the System Info file:

  • Config.lua flags: 
  • AgTether.heartBeatIntervalNoCamera = 6000
  • AgTether.heartBeatInterval = 6000

For more tethering troubleshooting, see Troubleshoot tethered capture in Lightroom.

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