<div>
There's already a limit of 10. &nbsp;you can change that limit though - using New-Throttlingpolicy and Set-Throttlingpolicy. You can reference details on the powershell commandlets here:<br />
<br />
<a href="http://www.msexchange.org/kbase/ExchangeServerTips/ExchangeServer2010/Mobility/HowtoincreasethemaximumnumberofActiveSyncDevicesforaUser.html" rel="ugc">http://www.msexchange.org/kbase/ExchangeServerTips/ExchangeServer2010/Mobility/HowtoincreasethemaximumnumberofActiveSyncDevicesforaUser.html</a>
</div>


There's already a limit of 10.  you can change that limit though - using New-Throttlingpolicy and Set-Throttlingpolicy. You can reference details on the powershell commandlets here:

http://www.msexchange.org/kbase/ExchangeServerTips/ExchangeServer2010/Mobility/HowtoincreasethemaximumnumberofActiveSyncDevicesforaUser.html [http://www.msexchange.org/kbase/ExchangeServerTips/ExchangeServer2010/Mobility/HowtoincreasethemaximumnumberofActiveSyncDevicesforaUser.html]

<div>
That is for Exchange 2010 not Exchange Online
</div>


That is for Exchange 2010 not Exchange Online

<div>
OK, I was afraid of that. Thank you.
</div>


<div>
<div class="content wysiwyg-content">
How can I control how many activesync devices can connect to a mailbox. I have some users connecting 5, 6 or even 7 devices. I want to limit them to 2 or 3 for example.<br />
<br />
My users are on Office 365 Exchange. Is there a set-mailbox or set-casmailbox cmdlet I can use?<br />
<br />
thank you
</div>
</div>


How can I control how many activesync devices can connect to a mailbox. I have some users connecting 5, 6 or even 7 devices. I want to limit them to 2 or 3 for example.

My users are on Office 365 Exchange. Is there a set-mailbox or set-casmailbox cmdlet I can use?

thank you

How can I limit the number of activesync devices that can connect to a mailbox?

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.

Microsoft 365

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Windows PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language built on the .NET Framework. PowerShell provides full access to the Component Object Model (COM) and Windows Management Instrumentation (WMI), enabling administrators to perform administrative tasks on both local and remote Windows systems as well as WS-Management and Common Information Model (CIM) enabling management of remote Linux systems and network devices.