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Windows 10 Dual-Scan enabled when telemetry is set to 0 RRS feed

  • Question

  • Hi everybody,

    in our environment, we just noticed that clients enable the dual-scan feature when we set the telemetry to 0 via GPO although we also enabled the "Do not allow update deferral policies to cause scans against Windows Update". That leads to clients upgrading to the latest April update even though it's not even approved on the WSUS server.

    As a workaround, we set the telemetry policy to basic (1).

    Does anyone experience the same behaviour? 

    Tuesday, July 10, 2018 2:22 PM

All replies

  • Hello,

    That is the documented behavior, so that is expected.

    https://docs.microsoft.com/en-us/windows/deployment/update/waas-overview

    Important Devices on the Semi-Annual Channel (formerly called Current Branch for Business) must have their diagnostic data set to 1 (Basic) or higher, in order to ensure that the service is performing at the expected quality. If diagnostic data is set to 0, the device will be treated as if it were in the Semi-Annual Channel (Targeted)(formerly called Current Branch or CB) branch. For instructions to set the diagnostic data level, see Configure the operating system diagnostic data level.

    https://docs.microsoft.com/en-us/windows/deployment/update/waas-configure-wufb

    Note Users will not be able to change this setting if it was configured by policy. Important Devices on the Semi-Annual Channel (formerly called Current Branch for Business) must have their diagnostic data set to 1 (Basic) or higher, in order to ensure that the service is performing at the expected quality. If diagnostic data is set to 0, the device will be treated as if it were in the Semi-Annual Channel (Targeted)(formerly called Current Branch or CB) branch. For instructions to set the diagnostic data level, see Configure the operating system diagnostic data level.


    Thanks, Darrell Gorter [MSFT] This posting is provided "AS IS" with no warranties, and confers no rights.


    Tuesday, July 10, 2018 5:53 PM
  • Hi Darrell,

    thanks for your answer. As I understand setting the telemetry to 0 enables Wufb which enables dual scan by implication. What I don't get is, why this also seems to override the "Do not allow update deferral policies to cause scans against Windows Update" policy which explicitly disables dual scan. To me that means we can't get full control over our clients without sending information to Microsoft.

    kind regards

    MBTN




    • Edited by MBTN Wednesday, July 11, 2018 7:51 AM
    Wednesday, July 11, 2018 7:49 AM