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Importing Videos - Connecting to Dynamic Link server failed error

Jun 8, 2019
Lightroom Version
Operating System
Windows 10, iOS
Any ideas how I can import iPhone 7 and Nikon D500 videos? When I import I get this Connecting to Dynamic Link server failed error and the videos won't import. I am running the latest as of tonight. Just updated. I have rebooted my Windows 10 v 1809 build. The videos will play on my desktop, they just won't import into LR. I deleted the DynamicMedia folders from the Roaming\Adobe folder and that did not help. I don't have QuickTime installed. I think I uninstalled it the last time I was having video import issues. Anyone succeed in getting Videos to import? Or am I stuck until Adobe decides to support the Most Compatible iPhone video format? But that does not explain why the Nikon D500 videos won't import. I have the 2 iPhone High Efficiency video and Most Compatible videos and the D500 formats.

Thank you for any insights anyone might have about LR Classic and Video Import issues.
Thank you,

Here is my LR system info in case that helps...
Lightroom Classic version: 8.2 [ 1204643 ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10 - Business Edition
Version: 10.0.17763
Application architecture: x64
System architecture: x64
Logical processor count: 8
Processor speed: 3.4 GHz
Built-in memory: 32703.7 MB
Real memory available to Lightroom: 32703.7 MB
Real memory used by Lightroom: 3523.6 MB (10.7%)
Virtual memory used by Lightroom: 3749.8 MB
GDI objects count: 933
USER objects count: 2563
Process handles count: 2192
Memory cache size: 0.0MB
Internal Camera Raw version: 11.2 [ 134 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 54MB / 16351MB (0%)
Camera Raw real memory: 55MB / 32703MB (0%)
System DPI setting: 96 DPI
Desktop composition enabled: Yes
Displays: 1) 2560x1080
Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No

Graphics Processor Info:
DirectX: NVIDIA GeForce GTX 970 (

Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic CC
Library Path: I:\Lightroom\Lightroom Catalog-2.lrcat
Settings Folder: C:\Users\agwhite\AppData\Roaming\Adobe\Lightroom

Installed Plugins:
1) Costco Photo Center
2) Flickr
3) Pixieset
4) Show Focus Points
5) Shutterfly Upload 1.4
6) Teekesselchen

Config.lua flags: None

Adapter #1: Vendor : 10de
Device : 13c2
Subsystem : 90f01b0a
Revision : a1
Video Memory : 4043
Adapter #2: Vendor : 1414
Device : 8c
Subsystem : 0
Revision : 0
Video Memory : 0
AudioDeviceIOBlockSize: 1024
AudioDeviceName: Speakers (Realtek High Definition Audio)
AudioDeviceNumberOfChannels: 2
AudioDeviceSampleRate: 48000
Build: Uninitialized
Direct2DEnabled: false
GL_VERSION: 4.6.0 NVIDIA 417.35
GPUDeviceEnabled: false
OGLEnabled: true
GL_EXTENSIONS: GL_AMD_multi_draw_indirect GL_AMD_seamless_cubemap_per_texture GL_AMD_vertex_shader_viewport_index GL_AMD_vertex_shader_layer GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_bindless_texture GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_color_buffer_float GL_ARB_compatibility GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_compute_shader GL_ARB_compute_variable_group_size GL_ARB_conditional_render_inverted GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_ES2_compatibility GL_ARB_ES3_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_2_compatibility 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Michael Naylor

Active Member
Nov 21, 2016
Lightroom Experience
Lightroom Version
No idea, I'm on a Mac. Does you graphics card meet the requirements?

* AMD: Radeon GPU with DirectX 12 or OpenGL 3.3 support.
* Intel: Skylake or newer GPU with DirectX 12 support.
* NVIDIA: GPU with DirectX 12 or OpenGL 3.3 support.
* OpenGL 3.3 and DirectX 10-capable video adapter for GPU-related functionality.
* 1 GB of Video RAM (VRAM). 2 GB of dedicated VRAM (4 GB recommended) for large, high-resolution monitors, such as 4K- and 5K-resolution monitors

If all else fails, you could try re-encoding the video before importing.
Jun 8, 2019
Thanks for trying. according to the spec on the NVIDIA card I have it supports DirectX 12 = The GeForce GTX 970 was a performance graphics card by NVIDIA, launched in September 2014. Built on the 28 nm process, and based on the GM204 graphics processor, in its GM204-200-A1 variant, the card supports DirectX 12.0.

How do I re-encode the videos? I have over 150 files. What software would you recommend?
May 12, 2011
Lightroom Experience
Lightroom Version
Jun 8, 2019
It's working. No idea which of the following events did it
- LR Update (did not import videos)
- deleted the DynamicLink folders in the ..\roaming\adobe folder (not able to import)
- restarted (did not help)
- windows update
-iTunes install
-ipad videos started to work and now I am able to import the videos.
-iphone videos from 2017 still won't import. I think those are HVEC
- current iphone videos with the Most Compatible setting are importing
-D500 videos are now importing.

So strange. No idea what the fix was? Maybe after deleting the DynamicLink folders I needed to reboot which I did not do. The windows update looks like a virus update unless I'm not seeing some other update in June.

Thanks for the info on HandBrake. I think I will need it to convert my 2017 videos to something LR Can import. Wish they would support HVEC.
Jun 8, 2019


New Member
May 14, 2019
I was looking for some answers, too. This looks like long outstanding error, either something with broken/failed processes of Dynamic Link Media Server which is used by Adobe Lightroom to import videos, or issue with codec support, or having too large files.
For me it's really random, but usually I do not have problem to import MOV file generated by my Canon camera. Occurs more often when you try to import AVI, or MP4 files generated by my Android phone, or my action camera (small pocket GoPro style camera - great for timelapses).

On Adobe Lightroom forums, there are lots of references to support folks telling people to delete their 'video cache' folder, or even answering that Lightroom is not an video editing program. Or killing stranded 'dynamiclinkmediaserver.exe' process, and restarting Lihgtroom.
As well what helps sometimes is to right click on the video file which is not being imported, and choose to open it by Lightroom.exe. You will get LR started with import dialog. In some cases importing the video using this method helps.


New Member
Feb 4, 2020
Lightroom Experience
Lightroom Version
I’ve followed all the above suggestions, even gave MIcrosoft my $.99 + tax. No fix.
Installed QuickTime player (7.7.9) on Windows 10 and got further along in the import. I’m guessing *some* of my files are now being imported but it has stalled again. This folder has multiple video formats with extensions ending in .mov, .mp4, .avi but there are also a bunch of “history clip” files with no extension. This is a download of all videos from iCloud Photos. I’ve tried downloading just a single .mp4 or .mov with same stall and fail when I exit result. All files play external to LR. Cleared a huge cache of raw files and thought that would help. Hopefully more to come...