On the Start menu, point to
Programs, point to Microsoft Exchange, and then click
System Manager.
Navigate to the
Channels folder in the chat community where you want to hold
the event.
Chat Communities
Chat_community_name
Channels
Right-click the Channels folder, click New, and
then click Channel.
On the channel's General tab, in Name, type a
channel name that identifies the event. Be sure to precede the
channel name with a valid channel
prefix (#, &, %#, or %&).
In Topic, type a topic that indicates what will be
discussed at the event.
On the Access tab, in Number of users allowed in
channel, type the number of chat users that you expect to
participate.