Hi, we have recently setup Windows 2003 SBS. We have remote laptop users which we are unable to join the domain local because of where they are based so we have setup rpc over http for them to connect to the exchange server so they can send/recieve email. We are unable to get there outlook 2003 to connect to the exchange server. When we setup the domain name etc in outlook and input there mailbox name we keep getting prompted for there login details and it wont accept the login. We were able to get hold of one laptop and plug it directly into the lan and it connects into there mailbox with no problems, so we know rpc over http is working, as this laptop is not joined into the domain etc. We have run through all the settings in exchange, checking the registry setting etc as per various links from the web and everything looks fine. Even when we attempt to login from the laptop when we look at the servers event viewer it reports that a rpc-http has started so it look like some sort of authentication login problem? as it dosn't get any further. We have opened all the ports required on the vigor 2900 router.
We have applied sbs 2003 sp2, the laptops are running windows xp sp2, outlook 2003.
Any help would be great. Cheers
we have now just setup remote vpn logins on the vigor router and when testing with one laptop we can connect to the exchange mailbox with no problems. Outlook client settings are still set 'connect to my exchange mailbox using HTTP' so it would seem when the laptop is on the LAN/WAN still not joined to the domain that RPC over HTTP is working and email is working fine. So we have a temporary solution but we still would like to connect directly without the VPN as when the mailboxes become larger the VPN connection is going to make it very slow.