Outlook Exchange Login Prompt

12/10/2018 · Outlook keeps prompting for password could be caused by several reasons: Outlook is configured to prompt you for credentials; Incorrect password cached in credential storage ; Required Authentication Settings for outgoing server and incoming server; Outlook Anywhere is not configured to use NTLM Authentication; Corrupt Outlook profile

15/10/2019 · Outlook 2019 prompts for Office 365 password but we have Exchagne on premises. Solution Summary: 1. Open Registry Editor. 2. Go to: Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\AutoDiscover\RedirectServers. 3. Delete the key “RedirectServers” and and add the ExcludeExplicit. 4. Restart your Outlook. …

07/03/2018 · Basically I migrated from an on premises Exchange server to Exchange online with modern authentication enabled. What is happening is a few users, so far 3 out of 65 have reported this to me, are being prompted to login every morning to Office 365 when they open Outlook. The problem is the login window that comes up freezes or is blank.

11/02/2020 · When use Basic authentication method, Outlook will prompt for username and password while attempting to connect with Exchange. If you want to revert it back, you just have to set IISAuthenticationMethods back to “Ntlm,OAuth,Negotiate”: Set-MapiVirtualDirectory “<servername>\mapi (Default Web Site)” -IISAuthenticationMethods Ntlm,OAuth,Negotiate

31/08/2012 · >Everything related to Outlook Anywhere is set up to basic authentication (TMG, /rpc vDir) > >When they fire up Outlook they receive a basic auth prompt which they should – but its populated with the SMTP adress. > >The users need change the login from e-mailadress to domain\username and then type the password. >

22/08/2011 · 1. Go into Outlook – File – Info – Account Settings – Double click the Exchange Account – More Settings – Security Tab – CHECK the Always Prompt for Logon Credentials – Close Outlook – enter username and password – click on Remember my Credentials – close Outlook and repeat – and don’t forget to click on Remember my Credentials.

06/01/2017 · so I suggest you try to login a PC with the Windows account exch2, then open Outlook to auto-configure profile (it will auto use Exch2 to configure Outlook profile). In addition, it seems you are using outlook 2016 in Windows, also try to use outlook 2016 in Windows 10 for test, then check if the same issue persists. Best Regards, David Wang

04/10/2018 · To narrow down this issue, I would suggest you do those tests below: 1. Create a new mailbox on Exchange 2016, then try to login it in Outlook client. 2. Try to login this migrated mailbox in OWA for Exchange 2016. If you cannot login new mailbox in Outlook client, there exist something wrong with Autodiscover.

03/01/2018 · When a user is at the office, he/she can login to the workstation and open Outlook 2016 (and an Exchange Online mailbox) without any extra user credentials needed. But when that