Topic
Introduction:
This article contains information on how to Disable 1.3 TLS encryption. In some cases this can cause issues when using email advanced commands.
Behavior:
Unable to send email using the advanced command. No changes were made in the wizard or Nintex configuration.
Instructions

2. Navigate to:
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.3\Client.

3. Change the Enabled key to 0.
4. Restart the Studio/Robot.
Additional Information
Possible cause:
Windows update, Group Policy
