Yes, the plugin is on the node (there's just one). It's been working for months, I don't know what changed to break it.
Here is the log (from the node):
2019/08/14 09:34:34 DBG: [02908] [13280] Starting network
2019/08/14 09:34:34 INF: [02908] [13280] Application started with secure mode state 'OFF'
2019/08/14 09:34:34 INF: [02908] [13280] Product version: 3ds Max 2019 (21.0.0.845)
2019/08/14 09:34:34 INF: [02908] [13280] Data collection and use is 'ON'. Change your participation anytime in the Help menu of 3ds Max.
2019/08/14 09:35:10 DBG: [02908] [13280] Could not find the specified file in DefaultSettingsParser::parse()
2019/08/14 09:35:14 DBG: [02908] [13280] Graphics driver requested by the user : Nitrous
2019/08/14 09:35:14 DBG: [02908] [13280] Graphics driver actually created in the viewports : null driver
2019/08/14 09:35:22 DBG: [02908] [13280] Starting network
2019/08/14 09:35:23 DBG: [02908] [13280] Calling NetRenderPreLoad
2019/08/14 09:35:23 DBG: [02908] [13280] in NetWorkerPreLoad. jobFile: C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.xml; jobname: C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.max
2019/08/14 09:35:23 DBG: [02908] [13280] in Init. jobFile: C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.xml; jobname: C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.max
2019/08/14 09:35:23 DBG: [02908] [13280] in Init. calling nrGetIface. jobToSend: C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.max job:C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.xml
2019/08/14 09:35:23 DBG: [02908] [13280] in NetWorkerPreLoad. curJobname: C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.max; init: 0
2019/08/14 09:35:23 DBG: [02908] [13280] in NetWorkerPreLoad. calling PostInitMessageSystem()
2019/08/14 09:35:23 DBG: [02908] [13280] in NetWorkerPreLoad. srv_pid: 6960
2019/08/14 09:35:23 DBG: [02908] [13280] leaving NetWorkerPreLoad. LoadLib()
2019/08/14 09:35:23 DBG: [02908] [13280] NetRenderPreLoad passed
2019/08/14 09:35:54 INF: [02908] [13280] SYSTEM: Production renderer is changed to Scanline Renderer. Previous messages are cleared.
2019/08/14 09:35:56 DBG: [02908] [13280] Interface8::LoadFromFile(C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.max)
2019/08/14 09:35:56 INF: [02908] [13280] Starting to load file: C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.max
2019/08/14 09:35:58 INF: [02908] [13280] CORONA: Corona is up and running. Corona version: 4, netrender mode: on, slave mode: off, quiet mode: on, Max gamma (display/input/output): 2.2/2.2/2.2
2019/08/14 09:35:58 DBG: [02908] [13280] WARNING: The Populate data is missing on your system.
2019/08/14 09:35:58 INF: [02908] [13280] Done loading file: C:\Users\renderbox\AppData\Local\backburner\ServerJob\substance rendering weird over backburner2.max
2019/08/14 09:35:58 INF: [02908] [13280] SYSTEM: Production renderer is changed to Corona 4. Previous messages are cleared.
2019/08/14 09:35:58 INF: [02908] [13280] Starting network rendering
2019/08/14 09:35:58 INF: [02908] [13280] Max is ready to begin render
2019/08/14 09:35:59 INF: [02908] [13280] [V-Ray] ============================================================
2019/08/14 09:35:59 INF: [02908] [13280] [V-Ray] Console created, V-Ray 4.02.04.00004 for x64 from Jul 2 2018, 11:44:39
2019/08/14 09:35:59 INF: [02908] [13280] [V-Ray] ============================================================
2019/08/14 09:35:59 INF: [02908] [13280] [V-Ray] Compiled with Microsoft Visual C++ compiler, version 19.12
2019/08/14 09:35:59 INF: [02908] [13280] [V-Ray] Host is 3ds Max, version 21
2019/08/14 09:35:59 INF: [02908] [13280] [V-Ray] V-Ray DLL version is 4.02.04
2019/08/14 09:35:59 INF: [02908] [13280] Server pipe has not yet been created,wait another second.
2019/08/14 09:36:00 INF: [02908] [13280] Frame 0 assigned
2019/08/14 09:36:00 INF: [02908] [13280] Frame started at: 09:36:00
2019/08/14 09:36:00 INF: [02908] [13280] Window displayed : Rendering - test-loca2l.jpg
2019/08/14 09:36:00 INF: [02908] [13280] Window closed : Rendering - test-loca2l.jpg
2019/08/14 09:36:01 INF: [02908] [13280] BEGIN FRAME 0; TASK 1 OF 1; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l.jpg);
2019/08/14 09:36:01 INF: [02908] [13280] CORONA : Parsing scene
2019/08/14 09:36:02 INF: [02908] [13280] Window displayed : Corona 4 | 1400×2000px (1:1) | Camera: Free Perspective | Frame 0
2019/08/14 09:36:02 INF: [02908] [13280] Window closed : Corona 4 | 1400×2000px (1:1) | Camera: Free Perspective | Frame 0
2019/08/14 09:36:03 INF: [02908] [13280] CORONA : Calculating displacement
2019/08/14 09:36:05 INF: [02908] [13280] CORONA : Preparing geometry
2019/08/14 09:36:05 INF: [02908] [13280] CORONA : Preparing lights
2019/08/14 09:36:05 INF: [02908] [13280] CORONA : Computing sec. GI
2019/08/14 09:36:06 INF: [02908] [13280] CORONA : Rendering initial pass
2019/08/14 09:36:09 INF: [02908] [13280] CORONA : Rendering pass 2
2019/08/14 09:36:12 INF: [02908] [13280] CORONA : Rendering pass 3
2019/08/14 09:36:16 INF: [02908] [13280] CORONA : Rendering pass 4
2019/08/14 09:36:19 INF: [02908] [13280] CORONA : Rendering pass 5
2019/08/14 09:36:23 INF: [02908] [13280] CORONA : Denoising [preprocessing]
2019/08/14 09:36:24 INF: [02908] [13280] CORONA : Denoising [1/7]
2019/08/14 09:36:32 INF: [02908] [13280] CORONA : Denoising [2/7]
2019/08/14 09:36:39 INF: [02908] [13280] CORONA : Denoising [3/7]
2019/08/14 09:36:44 INF: [02908] [13280] CORONA : Denoising [4/7]
2019/08/14 09:36:51 INF: [02908] [13280] CORONA : Denoising [5/7]
2019/08/14 09:36:52 INF: [02908] [13280] CORONA : Denoising [6/7]
2019/08/14 09:36:54 INF: [02908] [13280] CORONA : Denoising [7/7]
2019/08/14 09:36:56 INF: [02908] [13280] CORONA : Cleaning up
2019/08/14 09:36:58 INF: [02908] [13280] PROCESSING RENDERELEMENT CESSENTIAL_Direct; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CESSENTIAL_Direct.jpg);
2019/08/14 09:36:58 INF: [02908] [13280] PROCESSING RENDERELEMENT CESSENTIAL_Emission; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CESSENTIAL_Emission.jpg);
2019/08/14 09:36:58 INF: [02908] [13280] PROCESSING RENDERELEMENT CESSENTIAL_Indirect; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CESSENTIAL_Indirect.jpg);
2019/08/14 09:36:59 INF: [02908] [13280] PROCESSING RENDERELEMENT CESSENTIAL_Reflect; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CESSENTIAL_Reflect.jpg);
2019/08/14 09:36:59 INF: [02908] [13280] PROCESSING RENDERELEMENT CESSENTIAL_Refract; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CESSENTIAL_Refract.jpg);
2019/08/14 09:36:59 INF: [02908] [13280] PROCESSING RENDERELEMENT CESSENTIAL_Translucency; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CESSENTIAL_Translucency.jpg);
2019/08/14 09:36:59 INF: [02908] [13280] PROCESSING RENDERELEMENT CESSENTIAL_Volumetrics; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CESSENTIAL_Volumetrics.jpg);
2019/08/14 09:36:59 INF: [02908] [13280] PROCESSING RENDERELEMENT CShading_BloomGlare; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CShading_BloomGlare.jpg);
2019/08/14 09:36:59 INF: [02908] [13280] PROCESSING RENDERELEMENT CMasking_Mask; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CMasking_Mask.jpg);
2019/08/14 09:36:59 INF: [02908] [13280] PROCESSING RENDERELEMENT CMasking_Mask001; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CMasking_Mask001.jpg);
2019/08/14 09:36:59 INF: [02908] [13280] PROCESSING RENDERELEMENT CMasking_Mask002; FRAME 0; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l_CMasking_Mask002.jpg);
2019/08/14 09:36:59 INF: [02908] [13280] END FRAME 0; TASK 1 OF 1; (\\10.9.8.239\Marketing_Team_Mass_Storage\Photography\Tip Card and VMR Development\WIP\CG Install Scenes\Scenes\Santorini\renders\test-loca2l.jpg); 58.8s; 3646838 faces; MEM 4812 MB;
2019/08/14 09:36:59 INF: [02908] [13280] Frame completed
2019/08/14 09:37:00 INF: [02908] [13280] Server pipe has not yet been created,wait another second.
2019/08/14 09:37:01 DBG: [02908] [13280] Stop network
2019/08/14 09:37:02 INF: [02908] [13280] [V-Ray] ============================================================
2019/08/14 09:37:02 INF: [02908] [13280] [V-Ray] Console closed normally
2019/08/14 09:37:02 INF: [02908] [13280] [V-Ray] ============================================================
Thanks for your help!
