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.
'Credential” in the search box >you will then see ‘Credential Manager’ > Click on You should try the given below steps to fix the occurred issue: