Bernhard Eiser avatar image
Bernhard Eiser asked ·

HtoA 4.3.0 for Houdini 17.5.391 license

Sorry this might seem odd but i would need some support on licensing.

I purchased 2 Arnold lics for HtoA 4.3.0 to use with Houdini 17.5.391.

HtoA is running inside Houdini:

Hoever i get the following licence error:

00:00:00 249MB | log started Tue May 26 22:28:42 2020
00:00:00 249MB | Arnold [197d4d5e] windows icc-17.0.2 oiio-2.1.0 osl-1.11.0 vdb-4.0.0 clm- rlm-12.4.2 optix-6.0.0 2019/09/12 15:17:56
00:00:00 249MB | running on DESKTOP-EP9D3AI, pid=3768
00:00:00 249MB | 2 x Intel(R) Xeon(R) CPU E5-2660 v3 @ 2.60GHz (20 cores, 40 logical) with 130978MB
00:00:00 249MB | NVIDIA driver version 445.87 (Optix 60700)
00:00:00 249MB | GPU 0: GeForce GTX 1060 6GB @ 1708MHz (compute 6.1) with 6144MB (5497MB available) (NVLink:0)
00:00:00 249MB | Windows 8 Professional (version 6.2, build 9200)
00:00:00 249MB | soft limit for open files raised from 512 to 2048
00:00:00 249MB |
00:00:00 249MB | [htoa_op] Begin registration ...
00:00:00 249MB | loading plugins from C:/Users/z640/htoa/htoa-4.3.0_r48c4031_houdini-17.5.391/htoa-4.3.0_r48c4031_houdini-17.5.391/arnold/plugins ...
00:00:00 249MB | alembic_proc.dll: alembic uses Arnold
00:00:00 249MB | cryptomatte.dll: cryptomatte uses Arnold
00:00:00 249MB | cryptomatte.dll: cryptomatte_filter uses Arnold
00:00:00 249MB | cryptomatte.dll: cryptomatte_manifest_driver uses Arnold
00:00:00 249MB | htoa_mandelbulb_proc.dll: mandelbulb uses Arnold
00:00:00 250MB | loaded 5 plugins from 3 lib(s) in 0:00.00
00:00:00 250MB | [htoa_op] Loading metadata file: C:/Users/z640/htoa/htoa-4.3.0_r48c4031_houdini-17.5.391/htoa-4.3.0_r48c4031_houdini-17.5.391/arnold/metadata/cameras.mtd
00:00:00 250MB | [htoa_op] Loading metadata file: C:/Users/z640/htoa/htoa-4.3.0_r48c4031_houdini-17.5.391/htoa-4.3.0_r48c4031_houdini-17.5.391/arnold/metadata/lights.mtd
00:00:00 250MB | [htoa_op] Loading metadata file: C:/Users/z640/htoa/htoa-4.3.0_r48c4031_houdini-17.5.391/htoa-4.3.0_r48c4031_houdini-17.5.391/arnold/metadata/operators.mtd
00:00:00 250MB | [htoa_op] Loading metadata file: C:/Users/z640/htoa/htoa-4.3.0_r48c4031_houdini-17.5.391/htoa-4.3.0_r48c4031_houdini-17.5.391/arnold/metadata/options.mtd
00:00:00 250MB | [htoa_op] Loading metadata file: C:/Users/z640/htoa/htoa-4.3.0_r48c4031_houdini-17.5.391/htoa-4.3.0_r48c4031_houdini-17.5.391/arnold/metadata/shaders.mtd
00:00:00 251MB | [htoa_op] Loading metadata file: C:/Users/z640/htoa/htoa-4.3.0_r48c4031_houdini-17.5.391/htoa-4.3.0_r48c4031_houdini-17.5.391/arnold/metadata/shapes.mtd
00:00:00 251MB | [rop_operators] Registering operators ...
00:00:00 251MB | [rop_operators] operator registration done.
00:00:00 256MB | [vop_shaders] Registering shaders ...
00:00:00 258MB | [vop_shaders] shader registration done.
00:00:00 258MB | [htoa_op] End registration.
00:00:00 258MB |
00:00:00 258MB | releasing resources
00:00:00 258MB | Arnold shutdown
00:00:00 56MB WARNING | rendering with watermarks because of failed authorization:
00:00:00 56MB | [rlm] error initializing license system:
00:00:00 56MB | [rlm] * Can't read license data (-102)
00:00:00 56MB | [rlm] solidangle_LICENSE = (not set)
00:00:00 56MB | [rlm] RLM_LICENSE = (not set)
00:00:00 56MB | [clm] ADSKFLEX_LICENSE_FILE = (not set)
00:00:00 56MB | [clm] LM_LICENSE_FILE = (not set)

I would highly appriciate if you could help me out! (the trial license i can also not install)

Thank you in advance!

arnoldsdk.png (7.9 KiB)
htoa.png (156.0 KiB)
10 |600 characters needed characters left characters exceeded

Up to 5 attachments (including images) can be used with a maximum of 2.0 MiB each and 9.8 MiB total.

1 Answer

· Write an Answer
Stephen Blair avatar image
Stephen Blair answered ·

You are using Arnold

Single-user licensing requires Arnold 6


Can I access previous versions of Arnold with single-user subscription?

Yes. Single-user subscription does support previous versions of Arnold using RLM licensing. To request previous RLM version access, send a request to with the address of your computer and your Autodesk account sign-in information.

10 |600 characters needed characters left characters exceeded

Up to 5 attachments (including images) can be used with a maximum of 2.0 MiB each and 9.8 MiB total.

Write an Answer

Hint: Notify or tag a user in this post by typing @username.

Up to 5 attachments (including images) can be used with a maximum of 2.0 MiB each and 9.8 MiB total.

Welcome to the Arnold Answers community.

This is the place for Arnold renderer users everywhere to ask and answer rendering questions, and share knowledge about using Arnold, Arnold plugins, workflows and developing tools with Arnold.

If you are a new user to Arnold Answers, please first check out our FAQ and User Guide for more information.

When posting questions, please be sure to select the appropriate Space for your Arnold plugin and include the plugin version you are using.

Please include images, scene and log files whenever possible as this helps the community answer your questions.

Instructions for generating full verbosity log files are available for MtoA, MaxtoA, C4DtoA, HtoA, KtoA, and Kick.

If you are looking for Arnold Documentation and Support please visit the Arnold Support site.

To try Arnold please visit the Arnold Trial page.

Bottom No panel present for this section.