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Nintex Workflow 2010 fails on 'Create Appointment' with the following .....

Question asked by dannyrose on Sep 4, 2014
Latest reply on Jul 12, 2016 by dacosta

Failed to invoke Microsoft Exchange web service. Error returned from server: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel..


I have seen several posts out there but no real answer.  The MS Exchange service's URL certificate has been added through Central Admin.  If anybody has suggestions or has been able to make this work I would love to hear how you did it.