718 Washington Ave. N. Suite #101
Minneapolis, MN 55401
View map and all Locations

Send us a message

We recently started seeing the following error in the server’s application event log after we configured ADFS, IFD and update the email router to point to the IFD url.


#26234 – The E-mail Router service could not process a provider work item using assembly: Microsoft.Crm.Tools.EmailProviders.dll and class: Microsoft.Crm.Tools.Email.Providers.SmtpPollingSendEmailProvider. System.NotSupportedException: The authentication endpoint Username was not found on the configured Secure Token Service! at Microsoft.Crm.ServiceProxyCache1.BuildServiceProxy(Uri serviceUrl, Credential credentials, Uri homeRealmUrl, String passportEnvironment, IServiceConfiguration1 serviceConfiguration) at Microsoft.Crm.ServiceProxyCache`1.GetNewServiceProxy(Uri serviceUrl, Credential credentials, Uri homeRealmUrl, String passportEnvironment) at Microsoft.Crm.Tools.Email.Providers.Utility.GetOrganizationUrl(UridiscoveryServiceUrl,Credentialcredentials,StringorganizationName) at Microsoft.Crm.Tools.Email.Providers.Utility.GetCrmService(Uri discoveryUri, String authMode, String userName, String password) at Microsoft.Crm.Tools.Email.Providers.CrmPollingSendEmailProvider.Run() at Microsoft.Crm.Tools.Email.Agent.ServiceCore.ExecuteProviderWork(Object providerQueueRequestObject)

To resolve the issue we enabled the following endpoint in ADFS 2.0:

Hope this helps someone out there – if you need more assistance please reach out to the MSCRM Experts at PowerObjects

Happy CRM’ing

Avatar for JoeCRM


Joe CRM is a CRM superhero who runs on pure Microsoft Dynamics CRM adrenaline. As the face of PowerObjects, Joe CRM’s mission is to reveal innovative ways to use Dynamics CRM and bring the application to more businesses and organizations around the world.