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…


EWS ServerBusyException – The server is too busy – for you

So… you got an ServerBusyException, eh? You might have seen it thrown as this in your code: Microsoft.Exchange.WebServices.Data.ServerBusyException: The server cannot service this request right now. Try again later. The server is not overloaded overall and the call is reaching EWS and EWS is responding with a throttling error. When you see ServerBusyException in the…


How WebDAV – Use Basic Authentication with WebDAV even when FBA is enabled.

Some customers (developers) wish to use Basic Authentication when Forms Based Authentication (FBA) is enabled for Outlook Web Access (OWA). If OWA’s FBA is enabled, all WebDAV access needs to be FBA authenticated – which means significant changes need to be done to the code – not to mention the testing. The changes and testing…

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