Reflects the current release of Nintex for SharePoint 2019. For your version, please access assistance through the Help button in the product.
Nintex Workflow Exchange Connector Service has the following system requirements.
Operating System: Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, or Microsoft Windows Server 2016
Software: Install and correctly configure the following.
Microsoft Exchange Server 2016, 2013, 2010, or 2007
Internet Information Services (IIS) versions 6.0-10.0.
Note: For IIS 7.0, ensure that IIS 6.0 Management Compatibility is enabled.