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papski2's avatar
papski2
Copper Contributor
Sep 22, 2020
Solved

OWA - Reply all limited to ~23 recipients?

Good morning   Today we have noticed that OWA, when you click reply all on the email with a lot of recipients (in our case ~60), the drat is limited to around 22 - I did look at this draft through ...
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  • AmirHaque-MSFT's avatar
    AmirHaque-MSFT
    Sep 23, 2020

    Update: This issue has been resolved. It was listed on SHD as EXO OWA SI: EX222686 for affected tenants ...

    Thanks Gabe_Bratton for looping me in. This is a known issue at this moment. A bug is currently open with OWA Team & worked upon for root cause determination & a possible fix. 

Gabe_Bratton's avatar
Gabe_Bratton
Icon for Microsoft rankMicrosoft
Sep 23, 2020

papski2 

 

I'm not aware of any Known Issues with recipients.  I sent this along to my peer who covers OWA, AmirHaque-MSFT in case he knows of any issues.  As far as I know the recipient limits are what are documented here, Message size and recipient limits in Exchange Server | Microsoft Docs.

 

Maximum number of recipients in a message 500 Mail flow > Receive connectors > More options 
 

 

 > Organization transport settings > Limits Maximum number of recipients		 Cmdlet: Set-TransportConfig
Parameter: MaxRecipientEnvelopeLimit
papski2's avatar
papski2
Copper Contributor
Sep 23, 2020

Gabe_Bratton @Amir Haque

 

We have checked other email thread with over 70 recipients and same thing is happening, but this time OWA was only replying all to 45 instead of 70.

 

EDIT: I have some people from spiceworks and reddit saying they have the same issues with OWA cutting users when using reply all.

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