question

Jennifer-3804 avatar image
0 Votes"
Jennifer-3804 asked Jennifer-3804 answered

Can we have MFA with Exchange web service application

We have an account that uses the Exchange web service, after we unable MFA on this account, it failed to authenticate.

office-exchange-server-administration
5 |1600 characters needed characters left characters exceeded

Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total.

AndyDavid avatar image
0 Votes"
AndyDavid answered ZhengqiLou-MSFT commented

MFA doesnt work with EWS and Basic authentication which is probably what you are seeing.

Use OAuth and EWS if using Exchange Online, otherwise, you cant use MFA with EWS

https://docs.microsoft.com/en-us/exchange/client-developer/exchange-web-services/how-to-authenticate-an-ews-application-by-using-oauth

· 1
5 |1600 characters needed characters left characters exceeded

Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total.

Hi @Jennifer-3804 ,

Agree with Andy, you could enable OAuth for your EWS apps.

Hope that could help:)

Best regards,
Lou

0 Votes 0 ·
Jennifer-3804 avatar image
0 Votes"
Jennifer-3804 answered

Thank you so much, guys!

5 |1600 characters needed characters left characters exceeded

Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total.