System Audio - Audio Engine Core Test (UMACoreTest)


This test requires supplemental content. You can find this content in the 'Windows HLK supplemental test content' section at the following location:

Test details

  • System.Fundamentals.SystemAudio.Audio
  • Windows 10, client editions (x86)
  • Windows 10, client editions (x64)
  • Windows Server 2016 (x64)
  • Windows 10, client editions (ARM64)
  • Windows 10, mobile edition (ARM)
  • Windows 10, mobile edition (ARM64)
Supported Releases
  • Windows 10
  • Windows 10, version 1511
  • Windows 10, version 1607
  • Windows 10, version 1703
  • Windows 10, version 1709
  • Windows 10, version 1803
  • Next update to Windows 10
Expected run time (in minutes) 15
Category Development
Timeout (in minutes) 900
Requires reboot false
Requires special configuration true
Type automatic

Additional documentation

Tests in this feature area might have additional documentation, including prerequisites, setup, and troubleshooting information, that can be found in the following topic(s):

More information


Parameter name Parameter description
LLU_NetAccessOnly Name of the machine's LLU for copying files


For generic troubleshooting of HLK test failures, see Troubleshooting Windows HLK Test Failures.