Unable To Access Network Or Share Drive After Upgrade From 20.10 In Unattended Mode

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After upgrading the UiPath Robot version from 20.10.x to any version above 21.10, process failed with Unauthorized Access error to a NAS folder.

Root Cause: Change in product as per the documentation - Robot Background Process Automation .

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Resolution: If a process needs to run in Unattended and background mode, there are 2 options:

  1. Give rights on the NAS, for the machine and not user, if possible
  2. In order to use credentials specified in Orchestrator, the following parameter, the UIPATH_HEADLESS_WITH_USER needs to be added in the system environment variable on the robot machine and set the value to True.