How to block ActiveSync for Office 365 users in Exchange Online

How to block ActiveSync for Office 365 users in Exchange Online

Navigate to the Exchange Control Panel

Browseto the Exchange Control Panel: http://outlook.office.com/ecp

Select mailboxes and find the desired mailbox.

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Select the desired mailbox via search.

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Select under mailbox features -> Disable Exchange ActiveSync

Under Mailbox Features -> Phone and Voice Features -> Disable ActiveSync.

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Requesting mobile devices via AciveSync?

Via the View details option (as shown in the image above), you can view all currently connected devices.

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Login via PowerShell in Exchange Online

You can connect to Exchange Online with these instructions. PowerShell.

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Block ActiveSync via Microsoft PowerShell

Set-CASMailbox -Identity <Mailbox ID> -ActiveSyncEnabled $False

Also read

How to set an Out-Of-Office or status message in Microsoft Teams?
Restore a mailbox to another mailbox when deleting it - Tutorial Exchange Online
Tutorial: Adding an Email alias in Office 365, Exchange or Active-Directory
How to configure Out-of-Office in office 365! Online or in Outlook 2016

Jasper

Jasper

Welcome to 365tips.be. On this website you can read articles and experiences about Office 365 with focus on Microsoft Teams. Feel free to ask me a question and I will answer it in a blog post. Help others by giving feedback at the bottom of the articles. This blog is made in Dutch. The multilingual website is offered with best-effort machine translation.
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