Would you like to learn how to use a group policy to prevent remote logon with blank password ? In this tutorial, we will show you how to create a group policy to block local accounts that are not password protected from performing remote login.
• Windows 2012 R2
• Windows 2016
• Windows 2019
• Windows 2022
• Windows 10
• Windows 11
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Tutorial GPO - Block remote logon with blank password
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 option named Accounts: Limit local account use of blank passwords to console logon only.
To save the group policy configuration, you need to close the Group Policy editor.
Congratulations! You have finished the GPO creation.
Tutorial GPO - Block remote logon with blank password
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.
Next time a user changes his password, the LMHASH will not be stored.
In our example, we limited local accounts with blank passwords to perform only local login using the computer keyboard.
