Environment Variables for VRED

Here is a list of the VRED-specific and external environment variables and explanations and/or values for them in VRED.

Where To Enter Environment Variables (Beginners)

If this is the first time setting an environment variable, here is where to do it.

  1. Right-click your This PC icon and select Properties.

  2. Click Advanced system settings.

  3. Click the Advanced tab, then the Environment Variables button.

  4. In the System variables section (at the bottom), click New. This open the New System Variable dialog.

  5. Enter the environment variable name and a value, then click OK.

VRED-specific Variables

These environment variables are VRED-specific.

VRED-specific Variable

Value/Explanation
VRED_ALLOW_STANDBY_MODE   ADSK_VRED_ALLOW_STANDBY_MODE Any value: Allows the machine to enter sleep mode. By default, VRED prevents sleep mode.
VRED_CLUSTERMANAGER_PATH Provides the path to a user-defined storage location for cluster manager data (database, encrypted project files, and images).
VRED_CLUSTERSERVICE_CONFIG JSON config string. Uses the value as setup string for the VRED Cluster Service.
VRED_CLUSTERSERVICE_DISABLE_ALL 1: Blocks all services of the VRED Cluster Service.
VRED_CLUSTERSERVICE_ENABLE_ALL 1: Allows all services of the VRED Cluster Service.
VRED_COLLABORATION_NO_AUDIO Any value: Prevents the use of VRED native audio in Collaboration mode.
VRED_COLLABORATION_NO_UPLOAD Any value: Prevents the upload of scenes in Collaboration mode.
VRED_CURRENT_PROJECT_DIR Read-only: Returns the current directory of loaded VPB file.
VRED_CUSTOM_HANDS Provides the path to a user-defined directory for custom VR hand geometry.
VRED_DATA Read-only: Returns the path to the VRED data directory.
VRED_DEBUG_IDLE_LICENSE Any value: Enables the debug output for License Idle mode.
VRED_DISABLE_CASCADING Any value: Disables license cascading.
VRED_DISABLE_CLIC_IPM Any value: Hides the license UI in VRED.
VRED_DISABLE_CLIC_USER_LICENSE Any value: Disables the user license feature.
VRED_DISABLE_CUDA_MEMORY_POOL_SUPPORT 0: Use CUDA Memory Pool on suppporting devices.
Other value: Disables CUDA Memory Pool Support.
VRED_DISABLE_IDLE_LICENSE Any value: Disables the license release on idle.
VRED_DISABLE_ONLINE_STORES Any value: Disables the use of online stores in main window. No UI will be shown.
VRED_DISABLE_SHARED_VIEWS Any value: Disables the shared views feature.
VRED_DISABLE_WEB_ACCESS Any value: Disables access to web content. It will hide the Community menu and online stores.
VRED_DISABLE_WEBINTERFACE | ADSK_VRED_DISABLE_WEBINTERFACE Any value: Disables the VRED web interface. No UI will be shown.
VRED_EXAMPLES Read-only: Returns the path to VRED examples directory.
VRED_FILEIO_TMP_DIR Provides the path to a user-defined file IO tmp dir for VRED.
VRED_FORCE_EGL Any value: Forces the use of EGL (https://www.khronos.org/egl/) under Linux.
VRED_FORCE_HTTPS 1: 1: Redirects incoming unencrypted http connection requests to encrypted https connection requests in the VRED web interface.
VRED_IDLE_LICENSE_TIME Provides the time, in seconds, after which VRED will release the license when on idle. The value is clamped to range [60, 900].
VRED_IGNORE_INVISIBLE 1: Ignores the invisible geometry of non-wire files on import.
Other value: Import invisible geometry.
VRED_IMPORT_PERFORMANCE_LOG 1: Writes the ATF performance log file.
Other value: No log file.
VRED_PREFERENCES_OVERRIDE Provides the path to a config file (xml) containing a subset of preferences to overwrite the local preferences for the session upon startup.
VRED_ROOT Read-only: Returns the path to VRED root directory.
VRED_SCRIPT_PLUGINS Provides the path to a user-defined directory for script plugins.
The subfolder structure of that folder must match the following constraint: Autodesk/VRED-<Version>/ScriptPlugins where <Version> is the number of the VRED release (e.g., 13.0).
VRED_SECURE_PYTHON Any value: Enables the Python Sandbox.
VRED_SERVICE_PAGE 0: Completely blocks the web interface.
1: Blocks the web interface http site, but requests are enabled.
2: Completely enables the web interface.
VRED_TMP_DIR Provides the path to a user-defined tmp directory for VRED.
VRED_TRANSLATION_DIR Provides the path to a user-defined directory for translations.
VRED_USE_ALL_TRACKING 0 or not set: Uses a specific tracking module, instead of loading all.
Other value: Loads all tracking module plugins.
VRED_USE_CUSTOM_CUDA_MEMORY_POOL 0: Uses CUDA Default Memory Pool.
Other value: Uses a custom CUDA Memory Pool on suppporting devices.
VRED_USE_OLD_MATERIAL_SORTING Any Value: Enables the old sorting algorithm for materials in the Material Editor that was used before VRED 2023
VRED_USE_OLD_TRACKING 1: Ignores the new VRPN tracking module and only loads old tracking module.
Other value or not set: Loads the new VRPN tracking module. Requires VRED_USE_ALL_TRACKING = 1 or not set.
VRED_WORKSPACES_PATH Provides the path from which workspace .ini files are loaded on startup.
VRED_WRITE_IMPORT_DEBUG_FILE 1: Writes the ATF import debug file.
Other value: No debug file.
VRED_WRITABLE_DATA Read-only: Returns the path to VRED writable data directory.
VRED<VersionYear>_SCRIPT_PLUGINS (e.g., VRED2020_2_SCRIPT_PLUGINS) Provides the path to a user-defined directory for script plugins.
<AppName>_LOG_DIR (e.g., VREDPRO_LOG_DIR) Provides the path to a user-defined log directory.

External Variables

These environment variables are external.

External Variable

Value/Explanation
HDRLS_HOME_V4 Provides the path to HDR LightStudio V4 libraries.
HDRLS_HOME_V5 Provides the path to HDR LightStudio V5 libraries.
MAYA_LOCATION Provides the path to the Maya location.