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You can do this using the svcutil.exe tool from the command line with the following syntax." (Success)
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To test this service, you will need to create a client and use it to call the service.
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From the current (working) prod server, it returns a webpage that says "SERVICE: You have created a service. I supply a service account's creds that have been granted access to the particular mailbox I am trying to pull data from. When I hit that URL, it prompts me for credentials. Removing the application variable, I can go to the URL in the API in Internet Explorer: (if this works then the API should work) Let me mention that all of our servers are internally facing and none of them have access to the internet by design.
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The remote server returned an error: (401) Unauthorized." On the current working server it returns "success" and with the data requested. When trying to fetch the data through EWS it returns the error: "The request failed. The vendor has described their API as "dumb" in that it doesnt do anything complex. We have application vendor support and everything is installed and working except this EWS piece. (Old ones are Server 2012 and new ones Server 2019). The current servers are end of life and need to be refreshed, so we are standing up the application on new servers. This application is working fine in our production environment. We have this digital signage application in our company that pulls calendar information from a particular mailbox. One of my responsibilities is a server application administrator. I will try to give as much details as possible. Would be something wonderful if someone could offer some assistance. And I have spent hours reading every article related to this and haven't found a solution. I have exhausted all my options and troubleshooting.
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