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PriyaJayaraman-7005 asked PriyaJayaraman-7005 commented

Error with your new mobile phone partnership in exchange 2016

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

office-exchange-server-administration
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AndyDavid avatar image
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AndyDavid answered PriyaJayaraman-7005 commented

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://docs.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.

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Hi Andy,
Does this mean that the user would get a email notification when he tries to configure the 2nd device and when the -EASMAXDEvices is set to 1.

Cheers
Priya

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Thank you Andy!

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YukiSun-MSFT avatar image
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YukiSun-MSFT answered PriyaJayaraman-7005 commented

Hi @PriyaJayaraman-7005,

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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ex2010.png (2.8 KiB)
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@PriyaJayaraman-7005, Just checking in to see how things are going with this thread. Did you get a chance to check the replies provided?


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Hi Andy,
Does this mean that the user would get a email notification when he tries to configure the 2nd device and when the -EASMAXDEvices is set to 1.

Cheers
Priya

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Hi @PriyaJayaraman-7005,
Yes, that makes sense. As described in the official link above, "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."


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