on 1 October Basic AuthenticationUnprepared for the start of the closure of Microsoft 365 users started experiencing problems.
Exchange Online Basic Authentication is Shutting Down – Cengiz YILMAZ
What Changes Modern Authentication – Cengiz YILMAZ
Office 2013 Asks for Password
The problem experienced is generally seen as a Password Asking problem.
Older version Office 2013 users experience the problem of Outlook constantly asking for password, versions released after Office 2013 do not have this problem because they support Modern Authentication by default.
Solution to Office 2013 Modern Authentication Password Asking Problem
When you add the Regedit objects I have shared below to the client, the problem you are experiencing will be solved.
| Registry key | Type | Value |
|---|---|---|
| HKEY_CURRENT_USERSoftwareMicrosoftExchangeAlwaysUseMSOAuthForAutoDiscover | REG_DWORD | 1 |
| HKEY_CURRENT_USERSoftwareMicrosoftOffice15.0CommonIdentityEnableADAL | REG_DWORD | 1 |
| HKEY_CURRENT_USERSoftwareMicrosoftOffice15.0CommonIdentityVersion | REG_DWORD | 1 |
For Modern Authentication support for Office 2013, you can enter the keys above manually or prepare a file as I mentioned below.
First, close Microsoft Outlook 2013.
Then paste the following records into the notepad. You can save this file that you have prepared as Office2013_Enable_ModernAuth.reg in a target folder where you can find it.
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USERSoftwareMicrosoftExchange]
"AlwaysUseMSOAuthForAutoDiscover"=dword:00000001
[HKEY_CURRENT_USERSoftwareMicrosoftOffice15.0Common]
[HKEY_CURRENT_USERSoftwareMicrosoftOffice15.0CommonIdentity]
"EnableADAL"=dword:00000001
"Version"=dword:00000001After these steps, you can set up Office 2013 applications to use multi-factor authentication (MFA) with Microsoft 365.
