Target
This is intended for customers using Microsoft 365.
Objective
Confirm whether basic authentication (legacy authentication) is used in Microsoft 365 (Azure Active Directory).
Notes
1. The content of this article is based on Microsoft's product information as of November 2021. It may be subject to change without notice due to updates or specification changes.
2. This procedure is performed using a Microsoft 365 administrator account.
Detailed Procedure Explanation
Procedure
1. Sign in to the Microsoft Azure portal with your Microsoft 365 administrator account.
2. Click on the portal menu on the top left.
3. Click on [Microsoft Enter ID].
4. When the Microsoft Azure screen appears, click on [Sign-in logs] in the [Monitoring] section on the left side menu.
5. When the sign-in logs are displayed, select [Client app] from [Add a filter], and click [Apply].
6. [Columns] will appear at the top, click on it, check [Client app], and scroll down to click [Save].
7. Click on [Client app: Not applied], and check the items in the [Legacy authentication clients] section.
The clients that can be set as basic authentication (legacy authentication) clients include:
・Exchange ActiveSync
・Exchange Online Powershell
・Exchange Web Services
・IMAP
・MAPI over HTTP
・Outlook Anywhere (RPC over HTTP)
・SMTP
・Online Address Book
・POP (Post Office Protocol)
・Universal Outlook
・Reporting Web Services
・Other clients
・Automatic Detection