How do I enable or disable TLS in Windows Server?

  • To ensure maximum security, it’s important to enable TLS on Windows Server properly.
  • Modifying a couple of values in your registry is the simplest way to do that.
  • If you prefer using the command line, you can enable this feature using PowerShell.

windows server enable tls.jpg

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If you were wondering how to enable or disable TLS ( Transport Layer Security ) on Windows Server, you are at the right place .
Transport Layer Security 1.0 hasn ’ t been supported for a while, so what you besides want to do, besides enabling the latest thallium 1.2, is disabling the older adaptation as well .
For security reasons, it ’ randomness necessary to have the latest security system protocol on your Windows Server and not the outdated interpretation that has vulnerabilities .

therefore, in this guide, we ’ ra going to show you how to properly enable and disable TLS .

How does TLS work?

TLS is a cryptanalytic protocol that encrypts the data between the node and a network server, frankincense protecting it from being viewed by a third base party .
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It besides provides you with authentication and integrity protection, ensuring that the data and both the server and node are genuine .

There are four versions of TLS available, with the latest and safest one being 1.3, so be surely to use it along with reliable antivirus for Windows Server for maximal auspices .

How do I enable TLS 1.0 on Windows Server?

Note icon
note
TLS 1.0 is considered dangerous. If possible, use the 1.2 or newer version alternatively .

  1. Press Windows key + R and enter regedit. Now press Enter.
    regedit.png
  2. Navigate to the following key: HKLM\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols
    protocols registry.png
  3. Right-click the right pane, expand the New section and select Key.
    new key 1.png
  4. Name the new key TLS 1.0 and move to it.
    tls key.png
  5. Create a new key called Client and move to it.
    client key.png
  6. Now right click the right pane, and select DWORD (32-bit) Value from the New menu.
    new dword registry.png
  7. Name the new DWORD Enabled and double-click it to open its properties.
    enabled dword 2.png
  8. Set the Value data to 1 and click OK to save changes.
    enabled value data.png

How can I enable TLS on Windows Server ?

1. Enable TLS 1.2 on Windows Server by modifying the registry

  1. If you are running Windows Server 2008, check this Microsoft’s article regarding the necessary update in order to enable TLS 1.2. Once you’ve installed updates, move to the steps below.
  2. Open Registry Editor by pressing Windows key + R and entering regedit.
  3. Since we are dealing with registry, we strongly suggest backing up the current registry state. Incorrect changes to the registry might have detrimental effects on your system.
  4. Once we’ve dealt with that, follow this path:
    Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols
  5. Right-click on the empty space in the right pane and choose New and then Key.
    new key.png
  6. Name the new key TLS 1.2 and click to expand it.
  7. Navigate to TLS 1.2, click on the empty space in the right pane and add two new keys. Name the first one Client and the second one Server. It should look like this.
    tls keys.png
  8. Now, select the Client key, right-click in the right pane and select New and then DWORD (32-bit) Value.
    new dword client.png
  9. Name the DWORD DisabledByDefault, and double-click it.
    diasbled by default registry.png
  10. Ensure that the Base is Hexadecimal and the value is 0 (zero).
    value data disabledbydefault.png
  11. Create a new DWORD and name it Enabled and double-click it.
    enabled dword.png
  12. Ensure that the Base is, again, Hexadecimal and the Value is set to 1.
    enabled 1 value data.png
  13. Repeat this for the Server key with the exactly the same DWORDS and values.
  14. Close the Registry Editor and reboot your server.
  15. If you want to revert back to the initial settings, just restore the Registry state from the backup.

To avoid any unplanned issues, it might be a good idea to use reliable backing software for Windows Server .

2. Enable TLS 1.2 with Powershell on Windows Server

  1. Press Windows key + X and select Windows PowerShell (Admin) from the menu.
    powershell admin.png
  2. When PowerShell opens, run the following commands:
    New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server' -Force
    New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client' -Force
    New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server' -name 'Enabled' -value '1' –PropertyType 'DWORD'
    New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server' -name 'DisabledByDefault' -value '0' –PropertyType 'DWORD'
    New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client' -name 'Enabled' -value '1' –PropertyType 'DWORD'
    New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client' -name 'DisabledByDefault' -value '0' –PropertyType 'DWORD'

3. Disable TLS 1.0 and TLS 1.1

  1. Open Registry Editor. To do that, press Windows key + R and enter regedit.
  2. Navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols
  3. Select Protocols and in the right pane, right-click the empty space. Now choose New and select DWORD (32-bit) Value.
  4. Create a new key as already explained, and name it TLS 1.1. You can create the one named TLS 1.0 as well.
  5. Navigate to the TLS 1.1 key and create a new key called Client. You can also create a Server key if you want
  6. Navigate to the key you created, and make a new DWORD named Enabled.
  7. Dobule-click the Enabled DWORD. Set its value to 0 and confirm changes.enabled disable.png

Is there any tool to enable TLS 1.2 on Windows Server?

  1. Download ISS Cryptio GUI.
    download iss cryptio gui.png
  2. Once you download the application, run it.
  3. Check TLS 1.2 and click on Apply.
    tls 1.2 gui.png

How to enable TLS 1.3 on Windows Server?

  1. Make sure you’re using Windows Sever 2022.
  2. Press Windows key + S and enter command prompt. Select Run as adminsitrator.
    B0enuSkN3G.jpg
  3. Run the following command:
    reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\HTTP\Parameters" /v EnableHttp3 /t REG_DWORD /d 1 /f
    cmd tls3.png

That ’ s how to enable or disable thallium on Windows Server. With those steps, TLS 1.2 is enabled and TLS 1.0 disabled with still .
All of these solutions require you to modify your register, so be sure to create a backup ahead. besides, we advise you to check our guide on how to restore Windows register without a stand-in for more information .
What method acting do you use to enable TLS 1.2 on Windows Server ? Let us know in the comments department below .
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