Windows 10: BLE LESC fails

Discus and support BLE LESC fails in Windows 10 Drivers and Hardware to solve the problem; Hi! We're developing an app which connects to BLE devices for different purposes. We've successfully enabled MITM, but are having problems enabling the... Discussion in 'Windows 10 Drivers and Hardware' started by a.p_873, May 8, 2021.

  1. A.P_873
    a.p_873 Win User

    BLE LESC fails


    Hi! We're developing an app which connects to BLE devices for different purposes. We've successfully enabled MITM, but are having problems enabling the LESC option, which is part of the BT v4.2 as I understand it.When this is enabled, our connection attempts return with the Failed status response. As far as I can tell when exploring online, windows 10 did not support the LESC option for BT a few years back, see here . Does anyone know if this is still the case?We use the UWP, Windows.Devices.Bluetooth namespace for the runtime API to use our BT devices, and s

    :)
     
    a.p_873, May 8, 2021
    #1
  2. MELCHIZEDEK QUI
    Melchizedek Qui Win User

    Bluetooth keyboard not connecting after latest Windows Update

    Hello Monika,

    To better assist you, I'd like to know the following:

    • What is the exact make and model of your BLE device?
    • Have you tried to un-pair and re-pair your BLE device to your computer?
    • Have you tried performing the steps suggested from the article given by
      Marque Lor       in this thread?

    Hope to hear from you soon.

    Regards.
     
    Melchizedek Qui, May 8, 2021
    #2
  3. SLARTYBART
    Slartybart Win User
    Windows 10 fails to update


    When you finish testing the Avast suggestion, make sure that you restart your machine.

    Then if the issue persists, please return to the trouble shooting list in post# 89

    I think there are three steps that remain; the WU troubleshooter, reset WU components, and manual WU reset.
     
    Slartybart, May 8, 2021
    #3
  4. CHIDEOCK
    chideock Win User

    BLE LESC fails

    KB4025339 Fails Install 0x80070564

    Thanks
    I am trying Eagle 51's suggestions now. Windows Update troubleshooter found a bunch of errors and fixed all but one.The update is trying to download KB4025339 again. I'll see what happens. At step one troubleshooter finishes with one error unresolved "Potential Windows Update Database Error Detected-Not Fixed". Windows update stalled at 0%.

    At step 2 same troubleshooter error. The KB finished a new download failed to install.
    Did step 3 KB has downloaded but fails to install.

    If Eagle's suggestion doesn't work I'll try EdTittel's suggestion

    Tried bothe Eagle & Ed 's suggestions - do not work. Anyone else?

    I have noticed that the latest update for my nvidia drivers has failed to update. Wondering about that!
     
    chideock, May 8, 2021
    #4
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BLE LESC fails

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