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    Nintex Knowledge Base

    TLS error

    Status: Validated

    Need to use TLS 1.2 or above in Web Request or Start workflow in Nintex Workflow Cloud action
    "Web Request" action doesn't limit the TLS version. The limitation of TLS is from .NET Framework.

    Summary of TLS that vary depend on .NET Framework version:
    1) .NET 4.6 and above. 
    It's supported by default.

    2) .NET 4.5. << Nintex Workflow 2013 & Nintex for SharePoint 2016
    TLS 1.2 is supported, but it's not a default protocol.

    Create a text file with a .reg extension and the following contents:
    Windows Registry Editor Version 5.00



    Double-click to install, then Restart SPTimer service and IISReset

    3) .NET 4.0. 
    TLS 1.2 is not supported, but if you have .NET 4.5 (or above) installed on the system then you still can opt in for TLS 1.2 even if your application framework doesn't support it. 

    Apply solution in Step 2 if your system have .NET 4.5 (or above) installed.

    4) .NET 3.5 or below. << Nintex Workflow 2010
    TLS 1.2 is not supported (*) and there is no workaround.
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