I have a SBS 2008 environment with 30 machines running on the network. Exchange is installed but not configured. My boss has three devices, A desktop, a laptop and a Ipad. He didn’t want me to configure the exchange server on our DC just for him, so he created a hosted exchange account. He has had the this running on all three devices for about six months, and now on his desktop machine a logon window pops up asking him to login to my local domain. I put in his domain account information and it rejects it. I spoke to the hosted exchange company and they recreated his profile, and recreated his OST file. They told him it’s not his account that it’s a local network issue. Since we weren’t using Exchange local, I disabled all the services, but the login popup still appear with outlook every few minutes. Any suggestions?