Exchange 2016 mobile devices not sending larger attachments.

Cobra25
Cobra25 used Ask the Experts™
on
Hello, we just recently moved to Exchange 2016 from SBS Exchange 2010, now we a send limit of 30mb on our emails. Through OWA, i can send this fine, but through mobile devices (we use mostly ipad's and iphones) it fails, even if i send internally or even myself. Is there something i am missing on Exchange that is blocking this?

FYI i talked to Apple and they said there is no limit on their devices.
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IT Architect
Distinguished Expert 2017
Commented:
For Active Sync devices there is another setting, which you need to change. It is a config file. By default it is 10 MB. How to change it. Check here: https://docs.microsoft.com/en-us/exchange/architecture/client-access/client-message-size-limits

However, I personally won't increase to 35MB. That is too much for any handheld device to process. That's why 10 MB is set as default. Remember, handheld device is not the replacement for your outlook or OWA. It is designed for mobility purpose.

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Commented:
This did not work.
AmitIT Architect
Distinguished Expert 2017

Commented:
any update

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