Exchangelib Error In Python: Www-authenticate

I'm randomly facing an authentication error using library exchangelib: from exchangelib import DELEGATE, Account, Credentials creds = Credentials( username=username, passw

Solution 1:

I just pushed a commit that might fix this for you: https://github.com/ecederstrand/exchangelib/commit/c7b4b5a89c5518a6d19b7e88c5a945b9083b15d0

You need to use it in combination with a retry policy to paper over this internal error from requests_ntlm.