Configuring IMAP for iPhone Sync with Microsoft Exchange 2003 - Clustered Configuration

Configuring the Client Software

1. Get the Exchange Alias. Start Active Directory Users and Computers, and right-click the user account and select Properties for the user who wants to use an iPhone with Exchange. Click the Exchange General Tab and note the Alias name.
2. Verify that you have IMAP and SSL working properly. Using Outlook Express with a computer that's located on the internal network. This will verify that you have IMAP and SSL properly working Internally. Start Outlook Express and set up an account. When you specify your Incoming and Outgoing servers, make sure to specify that your incoming mail server is an IMAP server. When you specify your login account, it must be in the format of "netbios_domain_name/user_name/exchange_alias" Enter the password for the user.
3. Enable SSL with IMAP in Outlook Express. After you have set up the account for the user, right-click the profile you just established, select Properties, and click the Advanced tab. Select the “This server requires a secure connection (SSL)” checkbox for both inbound and outbound mail and click OK. Click the Account you just created and then click the IMAP folders button to obtain a list of folders from the Exchange server. If you have difficulty connecting to your Exchange server with IMAP, double-check your settings specified in the previous steps and make certain that you have the correct for the account.
4. Make sure the firewall TCP port 993 is open to your Exchange server. Connect to your Exchange server with IMAP4 using Outlook Express on a computer that's outside of your firewall. If you have difficulty connecting, double-check your firewall settings.
5. Configure your iPhone. Set up the IMAP profile on the iPhone. For the IMAP server use "netbios_domain_name/user_name/exchange_alias". For the Password use the users netowrk "password".