Outlook Calendar Invite Too Large

Hi I have a client who has a recurring meeting each week and over time my client has been adding more invitees to the meeting. Now when attempting to invite additional people to the meeting outlook is giving an error that it cannot be sent because it exceeds the allowable message size limit. I just want to make sure before I contact our exchange admins that there is nothing that can be done on the outlook client side to get around this other than deleting invitees or creating two separate meetings (not practical obviously)

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Paul WagnerFriend To Robots and RocksCommented:
Try this:

There IS a limit on how many recipients a message can have in Exchange. You can ask the Exchange admins to increase max recipients on that user's mailbox.
... but, I don't think you would get that message just because there are too many people on the invite list.
Your error message sounds a lot like an attachment problem rather than an issue with too many recipients. Are there attachments in the meeting reminder? How large are they, and what are the attachment limits in Exchange?

To cut down on recipients, you can try addressing distribution groups instead of individuals.

Also, constant editing of a large calendar event can lead to corruption. The event might have to be recreated.
Lou1982Author Commented:
Thats what I was thinking, there are only 48 recipients and when attempting to add more the error appears. There are no attachments which is weird. If attachments were sent out in the past on this invite would it effect the meeting?
crystal (strive4peace) - Microsoft MVP, AccessRemote Training and ProgrammingCommented:
Paul WagnerFriend To Robots and RocksCommented:
Previous attachments that aren't there anymore don't impact the recurring calendar event. Since there are only 48 recipients, it might be worth recreating the event to rule out a corrupted event. If I was your Exchange admin, I'd probably ask you to do that first. After that, you can chase the rabbit hole of recipient limitations in Exchange but I doubt your Exchange is set so low.

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