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[Access Control] Impact of Mandatory Two-Factor Authentication Setup in Google Workspace

Overview

We have confirmed that Google has notified administrators using Google Workspace about the mandatory setup of two-factor authentication.

Application of Two-Factor Authentication for Administrators (External Link)

This article provides answers to frequently asked questions regarding the impact of the mandatory two-factor authentication setup in Google Workspace on the use of Access Control for customers using Google Workspace.

Important Notes

  1. Since the mandatory two-factor authentication is a specification by Google, please direct any detailed questions regarding the specifications to Google.
  2. The content of this article is based on the product specifications as of August 2026 and may change without prior notice.

Questions

Q1. If two-factor authentication or passkeys are set on Google's side, will it affect login via Access Control?+

There is no impact on the flow until authentication is completed with Access Control.

Q2. Can I log in to Google services using only Access Control authentication?+

Whether Google account two-factor authentication or passkey authentication is required after completing authentication with Access Control depends on the settings and specifications on the Google Workspace side.
Please refer to the official documentation for Google Workspace administrators linked above for details.
If settings require additional verification by Google, authentication on Google's side will occur after completing authentication with Access Control.

Q3. Can Google’s two-factor authentication be skipped when logging in via SSO?+

This depends on the settings and specifications on the Google Workspace side. Please check publicly available information or contact Google Workspace support regarding whether this is possible and how to handle it.

Q4. What is the authentication flow when SSO is configured?+

The authentication flow when SSO is configured with Access Control is as follows:

  1. Sign-in screen such as Google Workspace
  2. Login process via Access Control
  3. Additional authentication on Google’s side (depending on Google’s settings)
  4. Sign-in complete

The authentication flow when SSO is not configured with Access Control is as follows:

  1. Sign-in screen such as Google Workspace
  2. Two-factor authentication by Google
  3. Sign-in complete

Q5. Is there any impact on Google Workspace administrator accounts?+

Google is progressively enforcing mandatory two-factor authentication for Google Workspace administrator accounts.
Please refer to the official documentation for Google Workspace administrators linked above for details.

References

This article summarizes the impact on Access Control regarding the mandatory two-factor authentication setup in Google Workspace.
For details and the latest information on settings and specifications on the Google Workspace side, please consult Google.