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Shared Mailbox Sign in block using CA policy.

Sanjay Bhakuni - admin 80 Reputation points
2024-07-24T16:29:50.3+00:00

Can i block the sign in of shared mailboxes with conditional access policy in azure.

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Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
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  1. Sandeep G-MSFT 16,711 Reputation points Microsoft Employee
    2024-07-25T12:27:51.86+00:00

    @Sanjay Bhakuni - admin

    Thank you for posting this in Microsoft Q&A.

    As I understand you want to block sign-in of shared mailbox via conditional access policy in Entra ID.

    Yes, you can block the sign-in of shared mailbox using CA policy in Entra ID. You can follow below instructions.

    • Login to Entra ID portal https://entra.microsoft.com/
    • Use Global admin credentials to login.
    • Go to Protection >> Conditional access
    • Click on Policies >> New policy
    • Name the new policy
    • Under users section select users and groups and select the shared mailbox account.
    • Under Target resources select "All cloud apps"
    • Now go to Access controls >> Grant
    • Under grant you can select Block access.

    Let us know if you have any further questions on this

    Please "Accept the answer" if the information helped you. This will help us and others in the community as well.