>>>>>>>>>>> exchange:6001-6002;exchange.company.local:6001-6002;exchange:6004;exchange.company.local:6004
>>>>>>>>>>>> You should be asking this question over in one of the
>>>>>>>>>>>> microsoft.public.exchange support groups. Also, you will need
>>>>>>>>>>>> to clarify your post a bit. Based on the below, I would assume
>>>>>>>>>>>> that you have a single Exchange server setup. If my
>>>>>>>>>>>> understanding is right, you high level checks would be...
>>>>>>>>>>>>
>>>>>>>>>>>> 1) Ensure that the RPC proxy component is installed on your
>>>>>>>>>>>> Windows 2003 (SP1/SP2)/Exchange 2003 SP2 server
>>>>>>>>>>>>
>>>>>>>>>>>> 2) Enable the Exchange server as an RPC/HTTPS backend server.
>>>>>>>>>>>> (Exchange System Manager > Right click on server object >
>>>>>>>>>>>> Properties > RPC-HTTP tab) You may have to add the necessary
>>>>>>>>>>>> registry keys to get this working. Location in registry is:
>>>>>>>>>>>>
>>>>>>>>>>>> HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Rpc\RpcProxy
>>>>>>>>>>>>
>>>>>>>>>>>> The DWORD value Enabled should be set to 1
>>>>>>>>>>>> The REG_SZ value ValidPorts would be set to
>>>>>>>>>>>> ServerNETBIOSName:6001-6002;ServerNETBIOSName:6004;ServerFQDNName:6001-6002;ServerFQDNName:6004
>>>>>>>>>>>>
>>>>>>>>>>>> To explain the ValidPort line better, assume that the name of
>>>>>>>>>>>> the Exchange server is EXCH01 and the domain name I'm working
>>>>>>>>>>>> with is contoso.com. The ValidPorts entry would be:
>>>>>>>>>>>>
>>>>>>>>>>>> exch01:6001-6002;exch01:6004;exch01.contoso.com:6001-6002;exch01.contoso.com:6004
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> 3) I would test the connection on the internal network before
>>>>>>>>>>>> testing from the internet.
>>>>>>>>>>>>
>>>>>>>>>>>> Other than that, test with SSL enabled and if you are using a
>>>>>>>>>>>> private (internal) certificates to secure the web/rpc proxy
>>>>>>>>>>>> services, make sure that a copy of the signing certificate
>>>>>>>>>>>> authority is installed on the workstations. The client
>>>>>>>>>>>> operating system (assuming Windows XP SP2 or newer) will verify
>>>>>>>>>>>> the SSL certificate back to the issuing certificate authority.
>>>>>>>>>>>>
>>>>>>>>>>>> "Daniel Mazur" <news@compits.net> wrote in message
>>>>>>>>>>>> news:%23CNE8XYIJHA.4896@TK2MSFTNGP04.phx.gbl...
>>>>>>>>>>>>> having trouble seeing my exchange server via outlook 2007 over
>>>>>>>>>>>>> the internet
>>>>>>>>>>>>> connecting to my Exchange Enterprise Server 2003. Have
>>>>>>>>>>>>> followed Microsoft
>>>>>>>>>>>>> instructions, testing first without use of of SSL
>>>>>>>>>>>>> certificates. I may be a
>>>>>>>>>>>>> bit confused about front end and backend servers. I have one
>>>>>>>>>>>>> PC, a domain
>>>>>>>>>>>>> controller at our office, a seperate PC with Exchange Only on
>>>>>>>>>>>>> it, connecting
>>>>>>>>>>>>> to the Domain Controller, and another PC with Blackberry
>>>>>>>>>>>>> Enterprise
>>>>>>>>>>>>> installed. The purpose of this is to get away from use of the
>>>>>>>>>>>>> VPN
>>>>>>>>>>>>> connection required to be part of the local network for
>>>>>>>>>>>>> Exchange User access
>>>>>>>>>>>>> off property. Sounds good configuring settings into the
>>>>>>>>>>>>> Outlook only and
>>>>>>>>>>>>> preventing other local access this way. Any ideas? Again,
>>>>>>>>>>>>> cannot get the
>>>>>>>>>>>>> Outlook to see the Exchange Server during the logon name and
>>>>>>>>>>>>> password to
>>>>>>>>>>>>> server process.
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>