Microsoft KB Archive/321754

= HOW TO: Connect Exchange 2000 to the Internet with a Modem =

Article ID: 321754

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition
 * Microsoft Windows 2000 Standard Edition
 * Microsoft Routing and Remote Access Service 1.1a

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This article was previously published under Q321754



IN THIS TASK
SUMMARY
 * The Issue
 * Connect to the Internet by Using a Modem
 * Configure a Smart Host



SUMMARY
This step-by-step article describes how to connect Exchange 2000 to the Internet with a modem.

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The Issue
To connect Exchange 2000 to the Internet with a modem, you have to configure the on-demand dial-up connection in remote access, and then configure the smart host for the Exchange 2000 Simple Mail Transfer Protocol (SMTP) virtual server or connector.

NOTE: If you use Exchange 2000 to receive e-mail messages from the Internet by using SMTP, you will lose most of your e-mail messages because of the intermittent dial-up connection.

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Connect to the Internet by Using a Modem
To connect to the Internet by using a modem:
 * 1) Turn off your computer, and then install the modem hardware.
 * 2) Start the computer. In Control Panel, double-click Phone and Modem Options.
 * 3) If you are prompted to provide dialing information, do so, and then click OK. When the Phone And Modems Options dialog box is displayed, continue to step 4.
 * 4) Click the Modems tab, and then click Add. Follow the steps in the Install New Modem Wizard.
 * 5) After you add the modem, make sure that the modem is displayed as a port in Routing and Remote Access under Ports. Click Start, point to Programs, and then click Administrative Tools. Click Routing and Remote Access, click server, and then right-click Ports.
 * 6) To configure the modem port, right-click the port, and then click Properties.
 * 7) In the Port Properties dialog box, click Configure, click to select the Demand-dial routing connections (inbound and outbound) check box, and then click OK.
 * 8) To create a demand-dial interface and configure it to use the modem to dial in to the ISP, make sure that the router is turned on in remote access. To do so, right-click the server, make sure that the router flag is on and that LAN and Demand Dial routing are selected, and then click OK. Right-click Routing Interfaces, and then click New Demand dial interface.
 * 9) Add a default network route that uses the newly created demand-dial interface.

NOTE: A default network route has a destination of 0.0.0.0, a network mask of 0.0.0.0, and a metric of 1. Because the dial-up connection to the Internet service provider (ISP) is a point-to-point link, the gateway IP address is not configurable.

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Configure a Smart Host
You can route all of the outgoing messages for remote domains through a smart host, instead of sending those messages directly to the domain. If you do so, you can route messages over a connection that may be more direct or less costly than other routes.

NOTE: The smart host setting for SMTP virtual servers is similar to the smart host setting on SMTP connectors. Microsoft recommends that you configure smart hosts on the connector, because connectors can handle message delivery on a per-domain basis.

You can identify the smart host by the fully qualified domain name (FQDN) or by an IP address (however, if you change the IP address, you also have to change the IP address on every virtual server). If you use an IP address, you must enclose it in brackets ([ ]). Exchange 2000 checks first for a server name, and then for an IP address. The brackets identify the value as an IP address; therefore, the Domain Name System (DNS) lookup is bypassed.

To set up a smart host:
 * 1) Start Exchange System Manager. To do so, click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
 * 2) Locate the SMTP virtual server. To do so, expand the Servers container, expand the server object, and then expand the Protocols container. Expand the SMTP container, expand the SMTP virtual servers container, and then click the SMTP virtual server.
 * 3) Right-click the SMTP virtual server, and then click Properties.
 * 4) Click the Delivery tab, and then click Advanced.
 * 5) Under Advanced Delivery, type the name of the smart host server in the Smart host box. You can either type a string to represent a name or enter an IP address enclosed in brackets.
 * 6) If you want Exchange 2000 to try to deliver messages directly before Exchange 2000 forwards them to the smart host server, click to select the Attempt direct delivery before sending to smart host check box. By default, Exchange 2000 does not try direct delivery when a smart host is configured.

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Additional query words: ras

Keywords: kbhowto kbhowtomaster KB321754

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