


Instructions are available here:Īfter adding your e-mail domain to the UPN suffix list. If your email domain is different from your organisation domain you first have to add the UPN suffix (which is the actual e-mail address domain name) to the Active Directory Domain and Trusts. You need to change users logon names to make them match with their email addresses. The user’s UPN must match their e-mail address. Outlook 2016 does all the configuration automatically, and expects to find everything it needs via auto discover. On these password prompts, you’ll notice it’s authenticating for the users e-mail address. The problem is AD side ! ( Outlook 2016 + Exchange 2013 only ) I did what you said to do and today I went to open outlook and it did the same thing again and said need passwordĪnd so I tried the credentials thing in the control panel and it would not work

When I was searching about your issue on the Web, I found an informative article on A new entry will be created in the credential vault with your latest login and password.If it asks for a password, enter the password and check for it to remember the password.Close Credential Manager Window and start “Microsoft Outlook”.In fact, you can delete all the entries in Generic Credentials if you like. Under “Generic Credentials”, you will most likely see an entry that has Outlook in the name."Credential” in the search box >you will then see ‘Credential Manager’ > Click on Close “Microsoft Outlook” > Click on “Start” button > type.You should try the given below steps to fix the occurred issue:
