I was wondering if anyone has this problem or could help me with this issue.  We have 2 offices and were running 2 IM servers, one at each office.  The problem is that if I'm having a conversation at this office with someone here local and then go and add someone from the other office.  They will not see the beginning of the conversation.  And vice versa!!  For example, if 2 of our employees in Pittsburgh are having a conversation and they add me to the conversation (I'm in Allentown, PA)  I will not see whatever they were talking about.  The conversation will have to be copied and pasted back in the IM.