Getting a 401 with EWS? Read this before opening a support case!

If your getting a 401 with an API going against Exchange or basically anything then the issue is most likely with your credentials and NOT your code. Instead of jumping to the step of opening a support case do the following: Recheck your login information. Check the user id used, password and domain information. Logins…


About: Office 365 REST APIs for Exchange

API Type:  Mailbox Assessor API Interface: REST, JSON, OAuth v2 over HTTP Business Logic: Works with content in mailboxes such as Mail, Calendar, Contacts Development Languages: Anything which can send a post. So, you can write code for iOS, Droid, Windows forms, ASP.NET, JavaScript, PowerShell…  Property Access: Yes Product Versions: Exchange Online (Wave 15+)  Summary:…

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