I migrated from SBS 2003 to SBS 2011 Stand. this weekend and now my clients can't connect to the new exchange server. What step have I missed. If you look into their accounts they are trying to connect to the old server witch is switched off. I have tried to connect to the new server by creating a new account, but it is not finding the server. Also, I have not unistalled Exchange from the old server because it is asking for disk two and the company can not find the disks after their move. Thank you for your help in advance.