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    Nintex Knowledge Base

    UNSUPPORTED CLIENT: TLS 1.0 Has Been Disabled In This Organization

    Status: Validated

    ISSUE
    When using the Call Web Service action to add a new record to Salesforce, the workflow errors with 'UNSUPPORTED_CLIENT: TLS 1.0 Has Been Disabled In This Organization'
    ERROR CODE
    UNSUPPORTED_CLIENT: TLS 1.0 Has Been Disabled In This Organization
    RESOLUTION
    1. Create a text file named strongcrypto4-enable.reg that contains the following text: 
      • For 32-bit applications on 32-bit systems and 64-bit applications on x64-based systems: 
        • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319 
        • "SchUseStrongCrypto"=dword:00000001 
      • For 32-bit applications on x64-based systems: 
        • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319 
        • "SchUseStrongCrypto"=dword:00000001 
    2. Run regedit.exe
    3. In Registry Editor, click the File menu and then click Import
    4. Navigate to and select the strongcrypto4-enable.reg file that you created in the first step. (Note If your file is not listed where you expect it to be, ensure that it has not been automatically given a .txt file extension, or change the dialog’s file extension parameters to All Files)
    5. Click Open and then click OK
    6. Exit Registry Editor and restart the system. 
    ADDITIONAL INFORMATION
    .Net will natively use TLS 1.0 / SSL3 by default. The following registry changes will change the default behavior of the .Net framework to use the correct version of TLS: https://technet.microsoft.com/en-us/library/security/2960358.aspx#ID0ETHAE 
     
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