Hybrid and Multiple Identity Provider FAQs

From Nintex Automation 5.7 onwards there are two different apps for SharePoint. The legacy Nintex K2 for SharePoint: used for SharePoint on-premises and upgraded environments for SharePoint Online, and Nintex Automation for SharePoint: used on new installations for SharePoint Online.
Microsoft Azure Active Directory is now Microsoft Entra ID

Here are a list of some frequently asked questions about authentication when using multiple identity providers, SharePoint or otherwise. For more information see SharePoint Hybrid and Multiple Identity Provider Configurations