Limiting meeting attendees using VBA or an add-in

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Outlook version
Email Account
Exchange Server

I am aware that there is no functionality for Outlook to limit the number of 'accepted' attendees to a meeting request. Is there a way of doing this using VBA or by installing an add-in?


I have not heard of any addins that do this, but it should be possible using VBA. Except I don't have any VBA for that either. If someone else doesn't post the code, I'll try my hand at it. :)
You would need to count acceptances - then go through the list of invitees who hadn't accepted and remove them. It's beyond my level of programming assistance though.

I'd probably trigger it as the responses arrived.
Thank you for the replies so far. I'll probably give it a try as well although my knowledge of VBA is limited at best so I don't hold out much hope.

I'm just wondering whether another alternative would be to use a meeting room Sharepoint site template?
I have not looked at sharepoint meeting room templates, but if it lets you limit the number of acceptances, it will work. There obviously is some way of doing it on the room side (not in Outlook) where rooms can be full. I don't recall this ability on the resource cmdlets for Exchange 2010 - but doing it in the room, rather than in the organizer's client, would be the best option.

I have code that will count the # of invitees and let you set a limit on the invite, but that is fairly basic code. Counting acceptances (in the organizers client) and not allowing more will be more difficult and not for the beginner programmer.
As an FYI, Exchange 2010 (and 2007) lets the admin set a capacity for rooms/resources but I don't know if it rejects when more than that # accept - I'll have to create some test accounts to find out.
As an update, I am currently in discussion with our ICT strategy department to discuss whether we can implement additional templates to our Sharepoint site.

I'm curious to know if it works in sharepoint - in my quick tests setting a room capacity in Exchange did not have an effect.
The room capacity is for informational purposes only, it wont reject acceptances when the quota is reached.
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