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Error with your new mobile phone partnership in exchange 2016

Priya Jayaraman 301 Reputation points
2020-12-01T14:21:07.65+00:00

Hi,
Error with your new mobile phone partnership email does not come in exchange 2016 servers. Previously we were using exchange 2010 and we were receiving notifications when the users exceeded active sync partnership. now after migration to exchange 2016 users are not receiving the notifications. Please confirm if the notification is still out there in exchange 2016.

Cheers
Priya

Exchange | Exchange Server | Management
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  1. Andy David - MVP 157.8K Reputation points MVP Volunteer Moderator
    2020-12-01T14:29:37.597+00:00

    I believe so., At least the documentation suggests it still exists.
    Note the default max is 100, not 10 as it was in Exchange 2010

    https://learn.microsoft.com/en-us/powershell/module/exchange/new-throttlingpolicy?view=exchange-ps

    -EASMaxDevices
    The EasMaxDevices parameter specifies a limit to the number of Exchange ActiveSync partnerships that a user can have at one time. By default, each user can create 100 Exchange ActiveSync partnerships with their Exchange account. After users exceed the limit, they must delete one of their existing partnerships before they can create any more new partnerships. An email error message describing the limitation is sent to the user when the limit is exceeded. Additionally, an event is logged in the Application log when a user exceeds the limit.

    1 person found this answer helpful.

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  1. Yuki Sun-MSFT 41,376 Reputation points Moderator
    2020-12-02T06:26:20.77+00:00

    Hi @Priya Jayaraman ,

    Agree with Andy that the email error message is still there in Exchange 2016 according to the official documentation he shared above. The EASMaxDevices value is 100 by default in Exchange 2016, which is normally hard to exceed, so your users may haven't get a chance to see the error.

    To view the value of the EASMaxDevices, we can run the command below: 

    Get-ThrottlingPolicy | fl Name,Easmaxdevices

    In Exchange 2010, the default value is 10 in the default throttling policy:
    44283-ex2010.png

    In Exchange 2016, the default value is 100:
    44312-ex2016.png

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