# V-Ray for Unreal :: Issues **URL:** https://forums.chaos.com/c/archive/v-ray-for-unreal/v-ray-for-unreal-issues/147.md [Latest](https://forums.chaos.com/latest.md) · [Categories](https://forums.chaos.com/categories.md) · [Tags](https://forums.chaos.com/tags.md) --- ## [Issue reporting guide](https://forums.chaos.com/t/issue-reporting-guide/91469)
**Author:** [@Alexander.Atanasov](https://forums.chaos.com/u/Alexander.Atanasov)\ **Replies:** 0\ **Last updated:** [November 12, 2018, 8:41am UTC](https://forums.chaos.com/t/issue-reporting-guide/91469 "2018-11-12T08:41:33Z")
Hello everyone! Thank you for reporting back any issues you encounter. We want to resolve them as quick as possible. It will greatly help us if you include as much information regarding the problem as possible. i.e. as … --- ## [Maya to Vray for Unreal Help](https://forums.chaos.com/t/maya-to-vray-for-unreal-help/114919)
**Author:** [@mike\_verta](https://forums.chaos.com/u/mike_verta)\ **Replies:** 1\ **Last updated:** [May 9, 2023, 7:43am UTC](https://forums.chaos.com/t/maya-to-vray-for-unreal-help/114919 "2023-05-09T07:43:35Z")
I have a simple scene - a couple of pieces of geometry, and some VrayMtl materials. The materials only use a texture map or two; no samplers, or procedurals, or utilities. I have one camera and a LightDome (HDR map). I… --- ## [Installing V-Ray Plugin in Unreal Development Branch](https://forums.chaos.com/t/installing-v-ray-plugin-in-unreal-development-branch/112699)
**Author:** [@Simeon](https://forums.chaos.com/u/Simeon)\ **Replies:** 2\ **Last updated:** [November 8, 2022, 8:15am UTC](https://forums.chaos.com/t/installing-v-ray-plugin-in-unreal-development-branch/112699 "2022-11-08T08:15:11Z")
Hi Chaos Team, we used the V-Ray for Unreal Plugin to create a virtual reality showcase on the Oculus Quest/Quest 2/and now Quest Pro and it worked quite well. Now we are trying to get the V-Ray Plugin run in the Unrea… --- ## [Packaging problem](https://forums.chaos.com/t/packaging-problem/112432)
**Author:** [@martin\_petkov](https://forums.chaos.com/u/martin_petkov)\ **Replies:** 1\ **Last updated:** [October 19, 2022, 5:01am UTC](https://forums.chaos.com/t/packaging-problem/112432 "2022-10-19T05:01:20Z")
Hello I dont know exactly where the problem is comming from but i will post this here and in the UE forum. My problem is when i create new project in unreal “game” blank or shooter when i click on test it in windows it … --- ## [Removing Vray from Unreal Breaks all maps that Where made while Vray was Enabled](https://forums.chaos.com/t/removing-vray-from-unreal-breaks-all-maps-that-where-made-while-vray-was-enabled/109438)
**Author:** [@software\_user](https://forums.chaos.com/u/software_user)\ **Replies:** 5\ **Last updated:** [July 29, 2022, 10:58am UTC](https://forums.chaos.com/t/removing-vray-from-unreal-breaks-all-maps-that-where-made-while-vray-was-enabled/109438 "2022-07-29T10:58:57Z")
Hi, I was trying to use vray to bake some Lightmaps in unreal on our project. I installed the plug-in and used it on one map. It was much slower then I expected and we have moved on to another solution. That day we edite… --- ## [Chaos Cloud Bake does not update status](https://forums.chaos.com/t/chaos-cloud-bake-does-not-update-status/111163)
**Author:** [@seann\_lewis](https://forums.chaos.com/u/seann_lewis)\ **Replies:** 2\ **Last updated:** [July 21, 2022, 11:55am UTC](https://forums.chaos.com/t/chaos-cloud-bake-does-not-update-status/111163 "2022-07-21T11:55:07Z")
Hello, I have a failed render job. Some of the files did not upload correctly and show as “Failed” when I look in the cloud. The problem is that in Unreal when I look at the Cloud Bake Options the status shows as “In Pro… --- ## [V-Ray Material issue with IOS](https://forums.chaos.com/t/v-ray-material-issue-with-ios/110859)
**Author:** [@furkan\_bar](https://forums.chaos.com/u/furkan_bar)\ **Replies:** 1\ **Last updated:** [June 30, 2022, 12:40pm UTC](https://forums.chaos.com/t/v-ray-material-issue-with-ios/110859 "2022-06-30T12:40:34Z")
Hey everyone, I’m struggling to solve an issue with rendering. I’m using default V-Ray materials which I didn’t change anything. My objects get rendered as they should be (on windows, metal for windows, vulkan, android … --- ## [Package for IOS](https://forums.chaos.com/t/package-for-ios/110631)
**Author:** [@furkan\_bar](https://forums.chaos.com/u/furkan_bar)\ **Replies:** 2\ **Last updated:** [June 14, 2022, 6:53pm UTC](https://forums.chaos.com/t/package-for-ios/110631 "2022-06-14T18:53:20Z")
Hello everyone, I’m trying to package a project on MacOS for IOS but I couldn’t find a MacOS version of V-Ray for Unreal. I can package the project for Android and Windows on a Windows machine without any issue. Is ther… --- ## [Going from 3dsMax to Unreal](https://forums.chaos.com/t/going-from-3dsmax-to-unreal/110473)
**Author:** [@miguel\_sousa](https://forums.chaos.com/u/miguel_sousa)\ **Replies:** 2\ **Last updated:** [June 6, 2022, 2:03pm UTC](https://forums.chaos.com/t/going-from-3dsmax-to-unreal/110473 "2022-06-06T14:03:07Z")
Hello! We have been attempting to evaluate V-Ray for Unreal, when at the moment we mostly use V-Ray for 3dsMax. We needed some clarifications on a few topics: The main V-Ray for Unreal product page says “Simply create … --- ## [Material Override?](https://forums.chaos.com/t/material-override/109637)
**Author:** [@bernhard](https://forums.chaos.com/u/bernhard)\ **Replies:** 2\ **Last updated:** [April 7, 2022, 4:54am UTC](https://forums.chaos.com/t/material-override/109637 "2022-04-07T04:54:30Z")
I am wondering, if I would like to replicate the Vray Material Override, for the Reflection of the Environment. Is this possible within Unreal? And if so, how would the nodes look like? I am talking about this wonderf… --- ## [installation issue](https://forums.chaos.com/t/installation-issue/108124)
**Author:** [@vldkaak](https://forums.chaos.com/u/vldkaak)\ **Replies:** 1\ **Last updated:** [January 10, 2022, 6:54am UTC](https://forums.chaos.com/t/installation-issue/108124 "2022-01-10T06:54:55Z")
Installation does not appear in the plug-in. Is it normal to turn it off as soon as you click “Done”? It’s the same if you delete it in multiple versions and reinstall it. Other computers are the same goes for other co… --- ## [Vray 5 for UE\_4.27](https://forums.chaos.com/t/vray-5-for-ue-4-27/106512)
**Author:** [@dbakewel](https://forums.chaos.com/u/dbakewel)\ **Replies:** 4\ **Last updated:** [November 8, 2021, 6:54pm UTC](https://forums.chaos.com/t/vray-5-for-ue-4-27/106512 "2021-11-08T18:54:31Z")
Is there a nightly build available for 4.27? --- ## [New version 5 installation issue](https://forums.chaos.com/t/new-version-5-installation-issue/106132)
**Author:** [@Aleksandar\_Stiglic](https://forums.chaos.com/u/Aleksandar_Stiglic)\ **Replies:** 14\ **Last updated:** [October 26, 2021, 11:38pm UTC](https://forums.chaos.com/t/new-version-5-installation-issue/106132 "2021-10-26T23:38:15Z")
Installing version 5. As previous version, doesn’t recognize where to install. After I used advanced option, does nothing. I tried uninstalling previous version first, or not, neither works so far. I’m on trial versi… --- ## [Vray Scene from Rhino to Unreal](https://forums.chaos.com/t/vray-scene-from-rhino-to-unreal/106936)
**Author:** [@alex321](https://forums.chaos.com/u/alex321)\ **Replies:** 1\ **Last updated:** [October 18, 2021, 7:02am UTC](https://forums.chaos.com/t/vray-scene-from-rhino-to-unreal/106936 "2021-10-18T07:02:59Z")
Hi, I tried to export a Vrayscene model where I created in Rhino with all the Vray Materials with some including a simple Jpeg as texture maps. Whenever I export my Vrayscene to Unreal ( I purchased the Vray for Unreal … --- ## [Sequencer not rendering keyframes and motion](https://forums.chaos.com/t/sequencer-not-rendering-keyframes-and-motion/106733)
**Author:** [@story\_garvie](https://forums.chaos.com/u/story_garvie)\ **Replies:** 1\ **Last updated:** [October 4, 2021, 4:45am UTC](https://forums.chaos.com/t/sequencer-not-rendering-keyframes-and-motion/106733 "2021-10-04T04:45:25Z")
I’m trying to render a Vray animation in Unreal Engine in which I have a camera movement and an object rotating. The sequencer shows both the camera movement and the rotation of the objects, and the png sequence renders … --- ## [VrayNormalMap not loaded on import](https://forums.chaos.com/t/vraynormalmap-not-loaded-on-import/106382)
**Author:** [@gordon\_heinrichsruscher](https://forums.chaos.com/u/gordon_heinrichsruscher)\ **Replies:** 1\ **Last updated:** [September 7, 2021, 6:50am UTC](https://forums.chaos.com/t/vraynormalmap-not-loaded-on-import/106382 "2021-09-07T06:50:35Z")
Hi, so I´m on Vray5. I tried like everything to get Normalmaps imported but it just doesn´t work. I use a VrayMtl and in the Bumpslot I´ve put a VrayNormalMap and into the NormalMap Slot I´ve put i Vraybitmap. Then I e… --- ## [UE4 Stencil Layers - compatible with V-Ray?](https://forums.chaos.com/t/ue4-stencil-layers-compatible-with-v-ray/106323)
**Author:** [@story\_garvie](https://forums.chaos.com/u/story_garvie)\ **Replies:** 3\ **Last updated:** [September 7, 2021, 6:37am UTC](https://forums.chaos.com/t/ue4-stencil-layers-compatible-with-v-ray/106323 "2021-09-07T06:37:23Z")
I’m still new to this, and I’d like to be able to render certain assets on an alpha channel. It looks like I can do a UE4 render this way by using Stencil Layers, and I’ve done it successfully, but I’d like to know if V… --- ## [Material is not rendered, instead a different older material is rendered](https://forums.chaos.com/t/material-is-not-rendered-instead-a-different-older-material-is-rendered/106231)
**Author:** [@BeneZ](https://forums.chaos.com/u/BeneZ)\ **Replies:** 1\ **Last updated:** [August 23, 2021, 6:35am UTC](https://forums.chaos.com/t/material-is-not-rendered-instead-a-different-older-material-is-rendered/106231 "2021-08-23T06:35:08Z")
Hello, in a scene I have taken a chair that already had a material, then sent it to substance painter and back after texturing with a new named material. (as UE PBR material for compatibility reasons, where AO roughnes… --- ## [Vray5 in UE4.26 problem with VrayCamera zooming in during render in the viewport (and VFB not working)](https://forums.chaos.com/t/vray5-in-ue4-26-problem-with-vraycamera-zooming-in-during-render-in-the-viewport-and-vfb-not-working/106223)
**Author:** [@BeneZ](https://forums.chaos.com/u/BeneZ)\ **Replies:** 3\ **Last updated:** [August 23, 2021, 6:31am UTC](https://forums.chaos.com/t/vray5-in-ue4-26-problem-with-vraycamera-zooming-in-during-render-in-the-viewport-and-vfb-not-working/106223 "2021-08-23T06:31:43Z")
Hello, I tried today Vray5 for Unreal 4.26 and have some issues, especially with the VrayCamera. I was using a raytraced UE interior scene. I have created: VrayLightRect (directional =1) , VrayPhysicalCamera and VrayS… --- ## [Texture not rendering as shown](https://forums.chaos.com/t/texture-not-rendering-as-shown/106188)
**Author:** [@story\_garvie](https://forums.chaos.com/u/story_garvie)\ **Replies:** 3\ **Last updated:** [August 20, 2021, 8:49am UTC](https://forums.chaos.com/t/texture-not-rendering-as-shown/106188 "2021-08-20T08:49:56Z")
I’m rendering a material with a texture, but the position of the texture on the material is not rendering the way it’s shown in UE4. Even if I move the texture out of position, it still renders in the same location in V… --- ## [Vray Optimizer lost baking texture..](https://forums.chaos.com/t/vray-optimizer-lost-baking-texture/106044)
**Author:** [@olivier\_goulet](https://forums.chaos.com/u/olivier_goulet)\ **Replies:** 1\ **Last updated:** [August 16, 2021, 10:43am UTC](https://forums.chaos.com/t/vray-optimizer-lost-baking-texture/106044 "2021-08-16T10:43:12Z")
Hi everyone, I just retrieved project made in 3dsMax by other artist, and my mission is to transfer those asset to unreal… Just to be clear, I am not familliar with 3dsmax. So i tried the vray material optimizer and a… --- ## [VRay Material Optimizer script crashes 3DSMax](https://forums.chaos.com/t/vray-material-optimizer-script-crashes-3dsmax/105827)
**Author:** [@cooldistrict](https://forums.chaos.com/u/cooldistrict)\ **Replies:** 6\ **Last updated:** [July 29, 2021, 6:30pm UTC](https://forums.chaos.com/t/vray-material-optimizer-script-crashes-3dsmax/105827 "2021-07-29T18:30:37Z")
Trying to use the Optimizer script on a very basic piece of geometry, and it crashes 3DS Max every time. Object has a chamfer and a few UVW modifiers on it. (will include screenshot). Any clue why this happens? The VR… --- ## [Vray Bake Crash](https://forums.chaos.com/t/vray-bake-crash/105452)
**Author:** [@huzefa\_poonawala](https://forums.chaos.com/u/huzefa_poonawala)\ **Replies:** 1\ **Last updated:** [June 25, 2021, 5:51am UTC](https://forums.chaos.com/t/vray-bake-crash/105452 "2021-06-25T05:51:52Z")
Hi, I’ve got a project that I’m working on, It’s a township made in 3ds max and exported to unreal via datasmith. I’ve used all my vray lights from max, and exported them via vrayscene export. I’ve been test baking the s… --- ## [Texture mode 'Resize' not working](https://forums.chaos.com/t/texture-mode-resize-not-working/104471)
**Author:** [@lee\_royling](https://forums.chaos.com/u/lee_royling)\ **Replies:** 2\ **Last updated:** [April 22, 2021, 3:26am UTC](https://forums.chaos.com/t/texture-mode-resize-not-working/104471 "2021-04-22T03:26:43Z")
Hello, I’m using the latest V-Ray for UE 4.26. I have a scene with several 4K textures and I’d like to do a draft render on my dev machine. However, I’m facing out of memory issues when I try to render this particular s… --- ## [Issue with Collisions](https://forums.chaos.com/t/issue-with-collisions/103964)
**Author:** [@marnell\_companies](https://forums.chaos.com/u/marnell_companies)\ **Replies:** 5\ **Last updated:** [March 25, 2021, 12:00pm UTC](https://forums.chaos.com/t/issue-with-collisions/103964 "2021-03-25T12:00:58Z")
Hello, I have been creating simple collisions within unreal’s mesh editor. Problem is every time I reimport my vrscene all collisions get deleted so i have to recreate them from scratch. Is there a fix or workaround for… --- ## [Problem with bump/normal maps when importing vrscene into unreal engine](https://forums.chaos.com/t/problem-with-bump-normal-maps-when-importing-vrscene-into-unreal-engine/103314)
**Author:** [@marnell\_companies](https://forums.chaos.com/u/marnell_companies)\ **Replies:** 2\ **Last updated:** [February 22, 2021, 4:44pm UTC](https://forums.chaos.com/t/problem-with-bump-normal-maps-when-importing-vrscene-into-unreal-engine/103314 "2021-02-22T16:44:41Z")
Hello, I have been having this issue when I import a vrscene in unreal engine, none of the bump/normal maps get imported into unreal. Any ideas on what could be causing this? I followed the vray for unreal quickstart … --- ## [Package Error: vcloud.json file cannot be found](https://forums.chaos.com/t/package-error-vcloud-json-file-cannot-be-found/103271)
**Author:** [@marco\_rivolta](https://forums.chaos.com/u/marco_rivolta)\ **Replies:** 1\ **Last updated:** [February 22, 2021, 7:08am UTC](https://forums.chaos.com/t/package-error-vcloud-json-file-cannot-be-found/103271 "2021-02-22T07:08:39Z")
Hello everyone. I made a scene in 3dsmax and exported as .vrscene to the Unreal engine. I set up the plans and blueprints and when i want to make the package, it asks for vcloud.json file which does not exist. UATHelp… --- ## [Unreal Won't Launch with Vray Plugin installed](https://forums.chaos.com/t/unreal-wont-launch-with-vray-plugin-installed/102618)
**Author:** [@Clarnold](https://forums.chaos.com/u/Clarnold)\ **Replies:** 4\ **Last updated:** [January 28, 2021, 3:33pm UTC](https://forums.chaos.com/t/unreal-wont-launch-with-vray-plugin-installed/102618 "2021-01-28T15:33:11Z")
I’ve been playing with Unreal and VR for my Oculus Quest 2. I’ve had success in Unreal creating a project, importing assets that were modeled and textured in Rhino. I’m able to launch the project and run it from my Que… --- ## [Vray Unreal Quality Issues](https://forums.chaos.com/t/vray-unreal-quality-issues/101063)
**Author:** [@ionut\_nicolae](https://forums.chaos.com/u/ionut_nicolae)\ **Replies:** 1\ **Last updated:** [October 22, 2020, 8:09am UTC](https://forums.chaos.com/t/vray-unreal-quality-issues/101063 "2020-10-22T08:09:48Z")
Hi, just started using Vray with Unreal and have some questions/problems with Baking maps, I can get better results and faster in other baking software right now, but maybe I am doing something wrong! I see others on th… --- ## [Material Optimizer Script only working on 1 object at a time](https://forums.chaos.com/t/material-optimizer-script-only-working-on-1-object-at-a-time/100112)
**Author:** [@justini](https://forums.chaos.com/u/justini)\ **Replies:** 1\ **Last updated:** [August 24, 2020, 8:27am UTC](https://forums.chaos.com/t/material-optimizer-script-only-working-on-1-object-at-a-time/100112 "2020-08-24T08:27:08Z")
The Vray Material Optimizer script is not working correctly in my scene. It only unwraps and renders 1 object at a time. I’ve tried running it on just selected objects and also the entire scene. [Next page](https://forums.chaos.com/c/archive/v-ray-for-unreal/v-ray-for-unreal-issues/147.md?page=1)