Conditional Access authentication strengths for guests
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Microsoft's commit message in MicrosoftDocs/entra-docs · commit 7d30e57 · +3 −0 lines · also on GitHub
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Use the following steps to create a Conditional Access policy that applies an authentication strength to external users.
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+> [!WARNING]
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+> If you use [external authentication methods](/entra/identity/authentication/how-to-authentication-external-method-manage), these are currently incompatable with authentication strength and you should use the **[Require multifactor authentication](concept-conditional-access-grant.md#require-multifactor-authentication)** grant control.
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1. Sign in to the [Microsoft Entra admin center](https://entra.microsoft.com) as at least a [Conditional Access Administrator](../role-based-access-control/permissions-reference.md#conditional-access-administrator).
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1. Browse to **Protection** > **Conditional Access** > **Policies**.
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1. Select **New policy**.
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