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We often want to make quick announcements to our group of 20 people using Office Communicator, so we highlight a group of contacts and start a new IM session. However, only a maximum of 10 people are able to join the conversation; after the maximum number of people join, all other invitees get the message:

Cannot connect to the conference because it is full. Contact the conference leader for more information.

Is there a way to increase the maximum number of participants?

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What version of Office Communicator are you using? –  cpgascho Dec 22 '10 at 17:42
    
Office Communicator 2007. –  Stephen Jennings Dec 22 '10 at 19:33

1 Answer 1

up vote 2 down vote accepted
+25

If you go into your forest, properties, global properties, meetings tab, go into one of the profiles. The maximum meeting size directly ties into the max people who can be in a multiparty IM at the same time as well. It's tied into the initiator of the session as well...so whoever started the IM (whatever his/her policy is set to) defines how many people can enter the multiparty IM.

I had the problem because I initially set it to 10 because I thought this setting was related to Live Meeting only. Live Meeting uses more bandwidth and we don't have a ton so I restricted it. People where then having problems sending IM's to distribution lists. After testing and once I figured this out I had to bump the number up.

This number also only comes into play when users are connected......so if I restict to 15 and I have 20 people in my DL, but 7 are offline, I'm really only going to connect with 13....which is under the 15 maximum meeting size.

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Thanks, it worked! I'll award the bounty when I'm allowed to. –  Stephen Jennings Dec 22 '10 at 23:59

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