Windows 10 Upgrades – Dealing with Safeguard ID 25178825 (Conexant ISST Driver)

I saw a tweet recently from Madhu Sanke where he had deployed updated Conexant ISST drivers to his environment to release devices from the Safeguard ID 25178825 which at the time of writing still prevents devices trying to upgrade to 2004 or 20H2.

You can read more about the issue here, but around September/October 2020 timeframe, newer drivers became available that are not affected by this Safeguard and updating the drivers will release a device from this hold.

Madhu took the approach of downloading the drivers from the Microsoft Update Catalog and packaging them with a script wrapper for the install. In researching this myself, I found that there are more than one driver available and different models will take different drivers, so I decided to write a little C# program that will update a device using Windows Update directly instead.

The program simply connects to Windows Update online, checks if a newer driver version is available for the Conexant ISST audio driver (listed under ‘Conexant – MEDIA – ‘ in the MS update catalog), and downloads and installs it.

The executable can then be deployed as is using a product like Microsoft Endpoint Configuration Manager.

For environments where software updates are deployed with Configuration Manager / WSUS, the program will check if registry keys have been set preventing access to Windows Update online and temporarily open them. It will restore the previous settings after updating.

The program also logs to the Temp directory.

On my HP laptops, the driver in question is this guy:

This one has been updated and is no longer affected by the Safeguard.

You can download the C# executable from my GitHub repo, or you can clone the solution in Visual Studio and compile your own executable. Just remember to run the program in SYSTEM context or with administrative privilege on the client as it’s installing a driver.

A reboot is usually required after installation and the driver can display a small one-time toast notification like this:

If your devices are managed by Windows Update for Business, you may see a notification from there as well, depending on your configuration of course.

After deploying the driver update to affected devices, expect to see them being released from the Safeguard after telemetry has run. You can use my PowerBI reports to help with reporting on Safeguards in your environment.

Thanks again to Madhu for the inspiration!

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