Install not signed driver in Windows 2019 with no prompt

I want to install the not signed driver in the Azure DevOps pipeline (windows-2019 image).

Driver is in the form of the .inf file. On the local machine i am using the following command:

pnputil -i -a driver_name.inf

but it shows a security prompt. Is there a way to turn it off?

Edit: Prompt looks like this:

Would you like to install this device software?


You get that prompt because the driver publisher is not thrusted bu your server.

You can pre-add Novell as a thrusted publisher to remove such warning in your case.

The Client uses Microsoft Authenticode digital signatures to verify Novell, Inc. as the publisher of Client drivers, as is required by the latest versions of Windows. During the Client installation, Windows presents an approval dialog box which lets you confirm whether software from Publisher: Novell, Inc. should be installed.

An Always trust software from Novell, Inc. option is also available. If you select this option, Windows adds the Novell, Inc. certificate to the Windows Trusted Publishers certificate list for the current Windows machine. The next time this Windows machine encounters driver software signed with the same Novell, Inc. certificate, Windows proceeds with installation rather than prompting you again for confirmation.

If you want to keep Windows from presenting this installation approval (for the Client or for any other driver software using publisher-signed Authenticode signatures), you can pre-distribute the publisher's public certificate used for Authenticode signing to the Windows machines Trusted Publishers certificate list prior to installation of the driver software.

To follow the path to do it;

Run CERTMGR.MSC (normally; do not have to force elevation via "Run as Administrator").

From the View menu, select Options and enable "Physical certificate stores".

Expand "Trusted Publishers" and select/highlight the "Local Computer" store.

Right-click on the "Local Computer" store, and from "All Tasks" choose "Import".

Browse to the Novell, Inc certificate which had been exported from a different Windows machine, and on the "Certificate Store" page of the import wizard, ensure "Trusted Publishers\Local Computer" is selected.

Complete the Import wizard, and ensure the Novell, Inc. certificate shows under "Trusted Publishers\Local Computer" in the CERTMGR.MSC console.The selection of the Local Computer certificate store during the certificate import process is what ensures the Novell, Inc. certificate is being imported in a way that will be available as a Trusted Publisher to the Windows driver installation process. Again, this all happens automatically when using the Always trust software from Novell, Inc. option during an interactive Client installation.

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