MC1189663

Retirement of external access token for actionable messages – moving to Microsoft Entra authentication

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Major Update: This post contains a significant change that may impact your organisation.

[Introduction]

We’re retiring the use of external access tokens for actionable messages and transitioning to Microsoft Entra-based authentication. This update enhances security and aligns with modern identity standards, providing a more robust and compliant experience for actionable messages.

[When this will happen]

This change takes effect on March 31, 2026. After this date, external access tokens will no longer be supported.

[How this affects your organization]

Who is affected:

Organizations using actionable messages that currently rely on external access tokens.

What will happen:

  • Actionable messages that depend on external access tokens will fail after March 31, 2026.
  • All integrations and workflows using actionable messages must adopt Microsoft Entra authentication.
  • This change improves security posture by leveraging Entra’s identity and access management capabilities.

[What you can do to prepare]

  • Review all actionable message implementations in your organization.
  • Update integrations to use Microsoft Entra authentication before March 31, 2026.

Learn more:

[Compliance considerations]

No compliance considerations identified, review as appropriate for your organization.