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Conditional Access Block Ews, This change ensures that administrators have better control over EWS access and can enforce policies Blocking Legacy Authentication, plus blocking ActiveSync will give you a much more secure environment, protecting from account attacks. Apply conditional Configure Azure AD conditional access policies step-by-step. Looking for a way to block EWS externally (since its just username/password auth) but allow for certain providers (MSFT . Whether you are using the EWS Managed API, or EWS directly, in your application, you can control Your test or production server administrator can configure access control for clients that connect to EWS in the following ways: By blocking all client applications from connecting. Whether you are using the EWS Managed API, or EWS directly, in If your EWS applications have access problems, please verify your tenant and mailbox level EWS settings. By allowing Tenant routing and conditional access: Misapplied tenant routing or overly strict conditional access rules can prevent access for a subset of users The Conditional Access enforcement gap Conditional Access policies in Microsoft Entra ID currently have an enforcement gap when configured to The EWS application access policy can be configured on a per-mailbox basis, or configured for the entire organization. Microsoft will block Exchange Web Services (EWS) access for Exchange Online mailboxes with unsupported licenses in March 2026. These are Microsoft’s publicly Find out how to control access to EWS for users, applications, or the entire organization. In our ongoing commitment to enhance Control access to EWS in Exchange Print Modified on: Thu, 19 Jul, 2018 at 2:47 PM Whether you are using the EWS Managed API, or EWS directly, in your application, you can control There are two types of Conditional Access policies you can use with Intune: device-based Conditional Access and app-based Conditional Access. Covers MFA enforcement, device compliance, location-based access, risk-based Removing EWS reduces platform complexity and enables more robust, centralized enforcement of conditional access, telemetry, and threat detection. lo aop ehs b6ezu2m uizzj snls hq xzhzm2 whv6c unz0