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Tutorial: How to Store Proxies in Alternate Location in Lightroom CC Desktop

Participant ,
Oct 05, 2019

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The following instructions are intended only for advanced users who are comfortable editing text-based configuration files. You should not expect help from Adobe if you choose to enable this undocumented feature; the developers are probably still testing it before enabling it for normal users. Proceed at your own risk.

 

Scenario: I am using Lightroom CC Desktop on a Windows 10 laptop (Surface Book). This laptop has a 256 GB O/S SSD, a 500 GB USB external SSD, and a 6 TB USB external HDD.

 

By default, Lightroom only offers to save smart preview files to my C: partition ("Store a copy of all smart previews locally on "C:". I wanted to move the previews to an alternate location. Today, while trying to fix a sync issue, I stumbled upon FileManagementSettings.lrpref. In this file, I discovered that the developers have helpfully created an undocumented feature to specify an alternate location for the previews.

lr_prefs_20191005.PNG

 

Steps

  1. Close Lightroom CC if it is running.
  2. In Explorer, go to your intended proxy destination and create a folder. 
  3. In Explorer, go to C:\Users\[USERNAME]\AppData\Local\Adobe\Lightroom CC\Data\user
  4. Copy FileManagementSettings.lrpref to FileManagementSettings.lrpref.bak 
  5. Open FileManagementSettings.lrpref in your favorite text editor.
    1. lr_filemgmtprefs_20191005.PNG
  6. Note the format of the variables with "Original" in the name.
  7. Observe the helpful list of local drives at the bottom of the file under "_volumeReadableIdentifiers".
  8. Change _keepAllProxies to true.
  9. Copy the GUID of your new proxy location from the list at the bottom into _proxyStorageVolumeGuid
  10. Set _relativeProxyStorageLocation to the relative path from the root of drive your referenced as _proxyStorageVolumeGuid, noting the two backslashes at the beginning of the path "\\".
  11. Save your new preference file.
  12. Start Lightroom CC.
  13. Observe the moving file dialog with the upside-down Lr symbol (probably intentional to designate that the feature is unpublished).
    1. lr_moving_photos_20191005.PNG

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How to, Performance, Windows

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Tutorial: How to Store Proxies in Alternate Location in Lightroom CC Desktop

Participant ,
Oct 05, 2019

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The following instructions are intended only for advanced users who are comfortable editing text-based configuration files. You should not expect help from Adobe if you choose to enable this undocumented feature; the developers are probably still testing it before enabling it for normal users. Proceed at your own risk.

 

Scenario: I am using Lightroom CC Desktop on a Windows 10 laptop (Surface Book). This laptop has a 256 GB O/S SSD, a 500 GB USB external SSD, and a 6 TB USB external HDD.

 

By default, Lightroom only offers to save smart preview files to my C: partition ("Store a copy of all smart previews locally on "C:". I wanted to move the previews to an alternate location. Today, while trying to fix a sync issue, I stumbled upon FileManagementSettings.lrpref. In this file, I discovered that the developers have helpfully created an undocumented feature to specify an alternate location for the previews.

lr_prefs_20191005.PNG

 

Steps

  1. Close Lightroom CC if it is running.
  2. In Explorer, go to your intended proxy destination and create a folder. 
  3. In Explorer, go to C:\Users\[USERNAME]\AppData\Local\Adobe\Lightroom CC\Data\user
  4. Copy FileManagementSettings.lrpref to FileManagementSettings.lrpref.bak 
  5. Open FileManagementSettings.lrpref in your favorite text editor.
    1. lr_filemgmtprefs_20191005.PNG
  6. Note the format of the variables with "Original" in the name.
  7. Observe the helpful list of local drives at the bottom of the file under "_volumeReadableIdentifiers".
  8. Change _keepAllProxies to true.
  9. Copy the GUID of your new proxy location from the list at the bottom into _proxyStorageVolumeGuid
  10. Set _relativeProxyStorageLocation to the relative path from the root of drive your referenced as _proxyStorageVolumeGuid, noting the two backslashes at the beginning of the path "\\".
  11. Save your new preference file.
  12. Start Lightroom CC.
  13. Observe the moving file dialog with the upside-down Lr symbol (probably intentional to designate that the feature is unpublished).
    1. lr_moving_photos_20191005.PNG

Topics

How to, Performance, Windows

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657

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Community Beginner ,
Mar 17, 2020

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Thank you for posting this!

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Community Beginner ,
Jul 16, 2020

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There is no  into _proxyStorageVolumeGuid in my FileManagementSettings.lrpref file. Not sure what to do

 

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