How to Disable TLS 1.0 and TLS 1.1 via Group Policy

How to Disable TLS 1.0 and TLS 1.1 via Group Policy

Open regedit utility

Open Group Policy Management (gpmc.msc) in a Domain Controller.

2. Creating a GPO in the Domain Controller

Navigate to the OU where Policy is to be linked and right-click and select ‘Create a GP in this domain and Link it here’; In this demo select ‘Domain Controllers’ OU.

3. Rename the GPO to ‘Disable_TLS 1.0_TLS 1.1’

Name the New GPO and click on ‘OK’; this creates a New GP which is linked to the OU.

4. Edit the ‘Disable_TLS 1.0_TLS 1.1’ GPO

Right-click the Policy and click on ‘Edit’.

5. Create Registry Item in Group Policy

Navigate to Computer Configurations –> Preferences –> Windows Settings –> Registry.
Create a new Registry by Right click on the blank space and selecting New –> Registry Item.

6. Update Registry Properties

In new Registry Properties, update the details as below and click on ‘OK’.
Action: Update
Hive: HKEY_LOCAL_MACHINE
Key Path: SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client
Value name: Enabled
Value type: REG_DWORD
Value data: 0
Base: Hexadecimal

7. [OPTIONAL] Commands to create Registry Item in Group Policy

Similar to above step, create below keys to Disable TLS 1.0 as well as TLS 1.1,

8. [OPTIONAL] List of Registry Items in Group Policy

The image shows the list of Registry items created in Group Policy.

We hope this post would help you know how to disable TLS 1.0 and TLS 1.1 via Group Policy to enhance the security of your infrastructure.

Ref: How to Disable TLS 1.0 and TLS 1.1 via Group Policy – The Sec Master