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Microsoft’s Hardware Dev Center (HDC) team recently became aware of an issue that affected the way drivers were being signed. We addressed the issue as of July 28, 2022, 10:03 AM Pacific Daylight Time (PDT). New submissions will not encounter this issue.

Am I affected by this issue?

To determine if your submission might be affected by this issue, consider the following:

  • You made a driver submission for attestation or certification between 05/31/2022 and 07/28/2022, 10:03 AM PDT.


  • In an attestation submission, you included one of the following in your OS selections: Windows 11 Client, version 22H2 x64 (Ni) or Windows 11 Client, version 22H2 Arm64 (Ni).


  • In a certification submission, your Hardware Lab Kit (HLK) package contained test results from Windows 11 Client, version 22H2 x64 (Ni) or  Windows 11 Client, version 22H2 Arm64 (Ni).

Most of the affected drivers will only experience a slight performance degradation when the driver loads. However, some types of drivers might not load or might cause other issues on the device. Drivers that are used during Windows startup or that need low level access are most susceptible to issues. You must re-sign firmware that uses the Update Capsule. You must validate other drivers on a retail-configured system to ensure proper operation.

Next steps

Microsoft strongly recommends that you cancel any shipping labels for submissions that match the above criteria. Use the “Download initial package” option on the HDC site to download your original submission package. Create a new driver submission with it. Then recreate your shipping labels using the new driver submission.

For best results, we recommend that you increase the version of the driver before you resubmit. This ensures that customers who installed an affected driver will automatically receive an offer for a new driver that is signed properly.

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