Would you like to learn how to use a group policy to configure SMB signing on Windows? In this tutorial, we will show you how to create a group policy to enable SMB signing on Windows.
• Windows 2012 R2
• Windows 2016
• Windows 2019
• Windows 2022
• Windows 10
• Windows 11
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Tutorial GPO – Configure SMB signing
On the domain controller, open the group policy management tool.
Create a new group policy.
Enter a name for the new group policy.
In our example, the new GPO was named: MY-GPO.
On the Group Policy Management screen, expand the folder named Group Policy Objects.
Right-click your new Group Policy Object and select the Edit option.
On the group policy editor screen, expand the Computer configuration folder and locate the following item.
Access the folder named Security options.
Enable the item named Microsoft network client: Digitally sign communications (always).
Enable the item named Microsoft network server: Digitally sign communications (always).
To save the group policy configuration, you need to close the Group Policy editor.
Congratulations! You have finished the GPO creation.
Tutorial GPO – Enable SMB signing
On the Group policy management screen, you need to right-click the Organizational Unit desired and select the option to link an existent GPO.
In our example, we are going to link the group policy named MY-GPO to the root of the domain.
After applying the GPO you need to wait for 10 or 20 minutes.
During this time the GPO will be replicated to other domain controllers.
On a remote computer, verify if SMB signing is enabled.
Here is the command output.
In our example, we forced the use of SMB signing using a GPO.
