TLS is an internet protocol that helps to provide secure communications and privacy on the internet.

  • Correcting TLS errors promises maximum security, protecting you from attacks.

  • When a client and server are unable to communicate using the TLS/SSL protocol, this error occurs.

  • A TLS handshake is the mechanism that initiates a TLS-encrypted communication session.

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When communicating on the HTTPS protocol, both the client and server go through a TLS handshake with authentication and encryption.

The entire process involves a change of public and private keys by checking the TLS version and changing the sessions used for communication.

There are several types of TLS: TLS 1.0, T.L.S 1.2, and TLS 1.3

TLS uses cryptography to keep sensitive information and secrets safe by using sessions.

We will cover some of the common TLS errors, the causes, and how to fix them.

What are the causes for the TLS error?

There are three types of TLS errors: error 0x8009030f, failing to secure the TLS channel, and SCHANNEL error.

Most of these errors arise due to the file system, registry files, and Internet connection.

The following factors cause the TLS errors:

  • Corrupt system files
  • Interference from antivirus software that blocks connection with the server.
  • Windows updates issues
  • Improper configuration of files and browsers.
  • Existence of malware and viruses.
  • The server does not support the client’s protocols.
  • The mismatch between the client’s configured values with that of the server. Server Cipher Suites does not support the client’s suites.

As you can see there is a lot of variety when it comes to what can cause the issue mentioned above, and if you find yourself in this situation, this guide will prove helpful.

How can I fix the TLS error in Windows 11?

1. Update System Date and Time

  • Go to the Search box, type Date and Time settings, and press Enter to open the settings page.
  • Choose the Date and Time option and Select your Time zone and turn the Set time automatically on so that time adjusts automatically.

2. Use a third-party troubleshooter

Some system errors like TLS can be very disappointing and, at times, their cause is unknown. A trusted third-party tool like Restoro is the best solution.

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The software can create a restore point before starting. This enables you to restore your previous versions in case something goes wrong. 

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3. Add TLS 1.0,1.2 and 1.3 in the Registry editor

  • Press Windows+R on the keyboard to open the empty search box.
  • Type Regedit and click OK.
  • Navigate to this path: HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/.NETFramework/v4.0.30319
  • Right-click to create a new D-WORD(32-bit) registry value.
  • Name it SchUseStrongCrypto and set its value to 1.

4. Edit the Chiper Suite list

  • Press Windows key+ R to open the empty box.
  • Type gpedit.msc in the and click OK to open the Local Group Policy Editor.
  • Click on Computer Configuration, and choose Administrative Templates.
  • Choose Network and open the SSL Configuration Settings folder.
  • Right-click on SSL Cipher Suite Order settings and click Edit.
  • Choose the Enabled option.
  • Copy the SSL/TLS Cipher Suit codes and paste them into any editor like Notepad.
  • Modify the list to match the list on the load balance: TLS_RSA chiper suites at the top, followed by TLS_ECDHE, and then remove these two TLS_DHE_RSA_WITH_AES_128_CBC_SHA , TLS_DHE_RSA_WITH_AES_256_CBC_SH due to interoperability. Paste the suites and click OK. Make sure you follow the correct cipher list for it to match.
  • Restart the computer.

Cipher Suites have algorithms that help in encryption, authentication, and key exchanges to secure networks.

5. Perform DISM and SFC Scan

  • Click the Search box, type Command Prompt.
  • Select the Run as an administrator option.
  • Type sfc /scannow and hit Enter. Wait for a few minutes to complete the process up to 100%.
  • Repeat steps 1 and 2.
  • Type the following command and press Enter to run it: DISM /Online /Cleanup-Image /CheckHealth

6. Disable and Enable the Windows Updates

  • Press Windows + R simultaneously to open the empty box.
  • Type services.msc and click OK to open the services page.
  • Select the Windows Update option.
  • Right-click the Windows Updates and stop them.
  • Repeat procedure 1
  • Type %windir%\SoftwareDistribution\DataStore in the box and click OK to clear updates cache and open a new window.
  • Select all the contents of that folder by presssing Ctrl + A and hit Delete button to delete them.
  • Repeat steps 1and 2.
  • Right-click on the Windows Update options and Click Start. Restart the computer to save changes.

7. Allow SSL Ciphers

  • Press Windows + R simultaneously to open a new empty box.
  • Type Regedit in the box and press Enter to access the Registry Editor.
  • Go to HKEY_LOCAL_MACHINE and open the SOFTWARE folder and the select Policies.
  • Click on Microsoft then Cryptography.
  • Hit Configuration and double click to expaand to SSL. Click on 00010002 and check if it has a Function value assigned.
  • If it exists, remove the functions assigned value to reduce the limits of SSL/TLS Ciphers.

8. Modify the Registry

  • Press Windows + R simultaneously to open a new empty box.
  • Type Regedit in the box and hit Enter to access the Registry Editor.
  • Click on the following path: Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL
  • On the SCHANNEL right click on the folder select New D-WORD 32-bit value to create a new key.
  • Name it as EventLogging.
  • Right-click on the created key, change the Value data to 1 and base to hexadecimal, and click OK to apply the changes.
  • Go to HKEY_LOCAL_MACHINE>SOFTWARE>Policies>Microsoft>Windows>WindowsUpdate and look for WUServer and WIStatusServer. If they exist, delete both of them.
  • After these processes, restart the machine and check if the error gets fixed

9. Disable the antivirus

Some antivirus software has an effect by blocking some settings and traffic.

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To test if it’s a problem, disable some antivirus features or disable it entirely and try to reaccess it.

If it works, change its settings or uninstall to ensure the errors don’t appear again.

10. Change the Browser TLS settings

  • Open the browser you use either Chrome, Mozilla Firefox, Microsoft Edge, e.t.c.For our instance, we will go with Chrome. Open Google Chrome. Press Alt + F to open the Settings.
  • Click on the Advanced Settings and select System. Click the Use T.L.S 1.2 and Use T.L.S 1.3 options and click Apply.
  • Click OK to save the changes and restart the Chrome browser.

How can I prevent the TLS error?

TLS ensures the data get transmitted safely due to the encryption preventing cybercriminals from launching the attacks and trying to interfere with them.

It prevents malware and other attacks that can collect data like transactional, personal information, e.t.c.

You can choose to receive alerts when using well-configured TLS, making it easier to fix any errors you or the user encounters.

Well configured TLS free from errors gives visitors a chance to trust and use your site without any worries.

To ensure you are safe during browsing or using the internet, you use a VPN to keep it private.

I hope one of our solutions worked for you. Please share your thoughts about this problem in the comments section below.

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