Outlook 2016 error 0xCAA70004

Iron Contributor

Some users report this error message in Outlook 2016.  Unable to determine the root cause of the message.  Information on the error code is next to none.  Any thoughts...?



25 Replies

Thank you very much Buddy @Kleber Ramos  this fix my problem. 

@Kleber Ramos Thanks a million! Worked great.

@Alex Melching 

I had the same issue with MS Teams and Outlook and, for some reason, setting of IE helped me :D

Please follow this article: https://morgantechspace.com/2018/05/azure-ad-login-browser-based-auth-failed-proxy-not-found.html

Thank you very much @Jett Jones the diagnostics tool worked for me - I'd been struggling with the office sign-in problem for weeks!