Exchange Error: Microsoft.Exchange.WebServices.Data.ServiceRequestException Rasmus Jensen June 18, 2020 10:19 Updated ReasonInvalid Exchange Configuration SolutionCheck your Microsoft Exchange Configuration. Send a test email and if still not working contact your Exchange Provider Related articles How to use Office 365 Exchange Modern Authentication Exchange Error: The request failed. The remote server returned an error: (401) Unauthorized / The request failed. The remote server returned an error: (404) Not Found Exchange Error: The request failed. The remote server returned an error: (404) Not Found / Invalid URI: The format of the URI could not be determined / The response received from the service didn't contain valid XML / The request failed. The underlying co Print & Delivery Exchange settings with Office 365 Help Center - How to sign up to Boyum Help Center Comments 0 comments Please sign in to leave a comment.