Target
- Customers using Microsoft 365
Notes
- The enforcement of multi-factor authentication is a Microsoft specification. For detailed specifications, please contact Microsoft directly.
- The content of this article is based on information as of May 2026.
For the latest information, please contact Microsoft.
Details
We have confirmed that Microsoft is currently notifying administrators using Microsoft 365 about the mandatory configuration of multi-factor authentication (MFA).
This article provides frequently asked questions and answers regarding the impact of this requirement on Access Control usage.
1. By when do I need to take action?+
Please refer to the following:
Mandatory multi-factor authentication plans for Azure and other management portals (external link)
2. Which services are affected?+
Please refer to the following:
Mandatory multi-factor authentication plans for Azure and other management portals (external link)
3. Are all users affected?+
Currently, we have confirmed that only administrator users are affected.
4. What happens if I do not configure multi-factor authentication by the deadline?+
Users will not be locked out, but once enforcement begins for the tenant, a message may appear prompting you to enable MFA.
For more details, please refer to the following:
Mandatory multi-factor authentication plans for Azure and other management portals (external link)