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Disable TLS 1.0 1.1 1.3 Protocol


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Disable TLS 1.0/1.1/1.3 Protocol
If the outdated TLS protocols 1.0 and 1.1 need to be disabled, because TLS version 1.2 is considered significantly more secure.
 
Disabling the TLS Protocol v1.0, v1.1, and v1.3 may cause an issue with 'Email Triggers' from Nintex Console for RPA version 22.9.2 due to a TLS protocol mismatch.
 

 

Instructions 

There are two ways to resolve this issue.
 
Option #1 - via the registry key:
1. Open the Registry Editor and run it as administrator.
2. In the Registry Editor window, go to:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel\Protocols\
3. In the navigation tree, right-click on Protocols, and in the pop-up menu, click on the relevant one.
4. Change the Enabled value to 0 and the DisabledByDefault to 0xffffffff.
5. Restart the machine.
*more info can be found here - https://thesecmaster.com/how-to-disable-tls-1-0-and-tls-1-1-on-windows-server/ 
 
Option #2 - manipulate the values through a third-party tool called 'IIS Crypto' if your company policy allows the usage of such.
1. Download the tool from the official website https://www.nartac.com/Products/IISCrypto.
2. Open it and uncheck the boxes of the relevant TLS which you want to disable then click 'Apply'.


3. A restart of the machine will be required.
 

 

 

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