Summary:We have a Workgroup license, and I am receiving the following error when trying to activate the Nintex feature on new site: Microsoft.SharePoint.SPException: You have used all 5 site activations of your Nintex Workflow 2007 Workgroup license. Please contact firstname.lastname@example.org to obtain a new license or contact your system administrator to deactivate Nintex Workflow on another site. at Nintex.Workflow.Features.TeamSiteFeatureEventHandler.FeatureActivated(SPFeatureReceiverProperties props)
Product:All Workflow for SharePoint on-premises
By visiting the licensing page, Central Administration > Application Management > Nintex Workflow Management, it will automatically fix any sites that have been deleted and removed from the activation account. Once completed, please perform an IISRESET to force an update.