Microsoft KB Archive/238167

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Article ID: 238167

Article Last Modified on 11/19/2003


APPLIES TO

  • Microsoft BackOffice Small Business Server 4.0
  • Microsoft BackOffice Small Business Server 4.0a
  • Microsoft BackOffice Small Business Server 4.5


This article was previously published under Q238167

SUMMARY

This article lists the basic steps to configure and troubleshoot problems with your Small Business Server (SBS) configuration.

MORE INFORMATION

Some of the steps listed in this article are optional, but we recommend that you complete all of the steps. These steps should be performed on a clean installation of SBS that you have configured to be a proxy server and to use Dial-Up Networking to connect to the Internet.

Before you perform the steps in this article, verify that Remote Access Service (RAS), Dial-Up Networking, and the modems in your computer are installed and configured correctly.

NOTE: If your computer is configured using the default IP address 10.0.0.2 with a subnet mask of 255.255.255.0, and the modems are configured correctly in RAS, you do not need to restart your computer when you are prompted.

On your computer, you may be unable to complete some of the steps listed in this article depending on your hardware and software configuration.

Fix Critical Errors

  1. Click Start, point to Programs, click Administrative Tools, and then double-click Event Viewer.
  2. Check the System and Application logs for any critical errors.
  3. Fix any critical errors that are displayed in the Windows NT Event Viewer tool.

After you resolve any critical errors, save the System and Application logs to disk and then clear the logs in Event Viewer.

Verify the Installed Modems

  1. Click Start, point to Settings, click Control Panel, and then double-click Modems.
  2. Verify that the correct modems are installed.
  3. If an incorrect modem is installed, remove the modem, close Control Panel, and then restart the computer.NOTE: If you receive a Dial-Up Networking configuration dialog box, ignore the dialog box.


  1. In the Modem tool, add the correct modem, and then restart the computer again.

Configure the RAS Server

  1. Click Start, point to Settings, click Control Panel, and then double-click Network.
  2. On the Services tab, click Remote Access Server, and then click Properties.
  3. Remove any ports that the Modem Sharing or Fax Sharing services use exclusively.
  4. Click Add, and then add the port you want to use for the proxy server Auto-Dial feature.
  5. Click Add, and then add any ports you want to use for RAS or Dial-Up Networking.
  6. Click each port, and then click Configure to configure the dial-in or dial-out settings for each port.
  7. Click Network, and then click Use any authentication including clear text.NOTE: You can change this setting after you finish configuring the computer.

  8. Under Dial out Protocols, click to select the TCP/IP check box.
  9. Next to TCP/IP, click Configure, and then configure the RAS Server TCP/IP settings.
  10. If you want to use DHCP, click Use DHCP to assign remote TCP/IP client addresses, and then continue to the next step. If you want to configure RAS to use a static address pool:
    1. Click Use static address pool.
    2. Configure the Begin and End boxes to use the high end of the existing range you have specified in DHCP. For example, configure the Begin box to use 10.0.0.240 and the End box to use 10.0.0.250.NOTE: Exclude these static address pool ranges later in this article.
  11. Click OK, click OK, and then click Continue.

Configure TCP/IP Properties

  1. Click Start, point to Settings, click Control Panel, and then double-click Network.
  2. On the Protocols tab, click TCP/IP Protocol, and then click Properties.
  3. Verify the IP Address box is set to 10.0.0.2 and the Subnet Mask box is set to 255.255.255.0.
  4. Remove any entry from the Default Gateway box.
  5. On the DNS tab, remove any entries in the DNS Service Search Order and Domain Suffix Search Order boxes.
  6. Type your registered Internet domain name in the Domain box, if you have one (for example, mycompany.com).NOTE: If you use the Microsoft Exchange Internet Mail Service (IMS), you must enter a registered Internet domain name or your Windows NT Domain name in the Domain box.


  1. On the WINS Address tab, verify that the Primary WINS Server and Secondary WINS Server boxes contain the correct IP addresses.
  2. Click to select the Enable LMHOSTS Lookup check box.
  3. Verify that the Scope ID box is blank.
  4. Click OK.

Check Binding Order

  1. In the Network tool, click all protocols in the Show Bindings for list on the Bindings tab.
  2. Double-click TCP/IP Protocol.
  3. Select the Network adapter that is connected to your Local Area Network (LAN), and then click Move Up until the adapter is at the top of the list. If you have an additional Network Adapter, select it, and then click Move Up until it is under the Network adapter connected to the LAN.
  4. Double-click WINS Client(TCP/IP).
  5. Select the Network adapter that is connected to your LAN, and then click Move Up until the adapter is at the top of the list. If you have an additional Network Adapter, select it, click Disable, and then click Move Down until it is at the bottom of the list.
  6. In Network, on the Bindings tab, in the Show Bindings For list, click All Services.
  7. Double-click the Microsoft DHCP server.
  8. Double-click the TCP/IP Protocol.
  9. Select the Network adapter that is connected to your LAN, and then click Move Up until the adapter is at the top of the list. If you have an additional Network Adapter, select it, click Disable, and then click Move Down until it is at the bottom of the list.
  10. Repeat steps 7 through 9 for the Remote Access Server Service, Server, and Workstation services. The only difference is that those services use the WINS Client(TCP/IP) Protocol.
  11. Click OK, and then click NO when you are prompted to restart your computer.

Configure DHCP Manager Settings

  1. Click Start, point to Programs, point to Administrative Tools, and then click DHCP Manager.
  2. Double-click Local Machine, and then click Default Subnet.
  3. On the Scope menu, click Properties.
  4. Verify that the Start address box contains the IP address 10.0.0.1.
  5. Verify that the End address box contains the IP address 10.0.0.255.NOTE: The 10.0.0.255 IP address is the subnet broadcast address and cannot be assigned to a device on the network.


  1. Verify that the Subnet Mask box is configured to use 255.255.255.0.
  2. Add an exclusion for the IP address range of 10.0.0.1 through 10.0.0.10.
  3. Add an exclusion for the IP address range, 10.0.0.240 through 10.0.0.250, for the static address pool in RAS.
  4. Click OK.
  5. On the DHCP Options menu, click Scope.
  6. In the Unused Options box, click 046 WINS/NBT Node Type, and then click Add.
  7. In the Unused Options box, click 044 WINS/NBNS Servers, and then click Add.NOTE: If you receive a DHCP Manager dialog box, click OK.


  1. In the Active Options box, click 046 WINS/NBT Node Type, and then click Value.
  2. In the Byte box, type 0x8, and then click OK.
  3. In the Active Options box, click 044 WINS/NBNS Servers, and then click Edit Array.
  4. Add two instances of the Server's IP address to the IP addresses list.
  5. Click OK, click OK, and then quit the DHCP Manager tool.

For additional information about configuring the DHCP settings, please click the article numbers below to view the articles in the Microsoft Knowledge Base:

218636 DHCP Options Not Set by SBS Setup

218058 SBS RAS Clients Cannot Gain Access to the Entire Network


Verify Modem Sharing Configuration

  1. Click Start, point to Settings, click Control Panel, and then double-click Modem Sharing.
  2. On the Configuration tab, remove any modem from the Modem Sharing Pool list that is used by Proxy, RAS, or Fax Server.
  3. Click OK.

Verify Fax Server Configuration

  1. Click Start, point to Settings, click Control Panel, and then double-click Fax Server.
  2. On the Send tab, remove any modem from the Available device list that is used by Proxy, RAS, or Modem Sharing.
  3. On the Receive tab, remove any modem from the Available device list that is used by Proxy, RAS, or Modem Sharing.
  4. Click OK.

Verify WinSock Proxy (WSP) Client Configuration

  1. Click Start, point to Settings, click Control Panel, and then double-click WSP Client.
  2. Click to clear the Enable WinSock Proxy Client check box, and then click OK.
  3. Click NO when you are prompted to restart the computer.

NOTE: If the WSP Client icon is missing from Control Panel, you can install the WSP Client from the following location

drive:\SmallBusiness\Clients\Ms\Proxy\Setup.exe


Where drive is the drive letter of the CD-ROM or DVD-ROM drive that contains your SBS CD-ROM.

Verify Dial-Up Networking Configuration

  1. Click Start, point to Programs, point to Accessories, and then click Dial-Up Networking.
  2. In the Phonebook entry to dial box, click the phone book entry for your Internet service provider (ISP).
  3. Click More, and then click Edit entry and modem properties.
  4. On the Basic tab, verify that you are using the correct device in the Dial using box.
  5. In the Phone number box, verify that the phone number is correct.
  6. On the Server tab, click to select only the TCP/IP check box.
  7. Click to select the Enable software compression and Enable PPP LCP extensions check boxes unless your ISP specifies otherwise.
  8. Click TCP/IP Settings, and configure your IP address and DNS server addresses.
  9. Leave the Primary WINS and Secondary WINS boxes blank unless your ISP specifies otherwise.
  10. Click to select the Use IP header compression and Use default gateway on remote network check boxes unless your ISP specifies otherwise.NOTE: If you do not have your TCP/IP configuration information, contact your ISP to obtain this information.
  11. Click OK.
  12. On the Script tab, specify any script provided by your ISP or click None.
  13. On the Security tab, click Accept any authentication including clear text.NOTE: You can change this setting after you finish configuring the computer.


  1. Click OK, and then click Close.

Verify Proxy Server Configuration

To verify the Proxy Server configuration, configure Auto Dial and the Local Address Table.

Configure Auto Dial

  1. Click Start, point to Programs, point to Microsoft Proxy Server, and then click Auto Dial Configuration.
  2. On the Dialing Hours tab, click to select the Enable Dial on Demand check box.
  3. Configure the appropriate dialing hours in the graph.
  4. On the Credentials tab, click the Phone Book entry configured for the Proxy Server.
  5. In the User Name and Password boxes, type the information your ISP provided.NOTE: The Domain box is normally blank unless your ISP specifies otherwise.
  6. Click OK, and then click OK.

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

181407 Troubleshooting Proxy Server RAS Autodial and Autodisconnect


244223 Troubleshooting and Resolving Web Proxy Event ID 127


Configure the Proxy Local Address Table (LAT)

  1. Verify that your modem is not currently connected to the Internet or your ISP.
  2. Click Start, point to Programs, point to Microsoft Proxy Server, and then click Internet Service Manager.
  3. Click the Server that is associated with the WinSock Proxy service.
  4. Double-click the WinSock Proxy service, click Edit Local Address Table, and then click Construct Table.
  5. Click to select the Add the private ranges 10.x.x.x and Load from NT internal Routing Table check boxes.
  6. Click Load known address ranges from the following IP interface cards, and then click to select your internal network adapter check box.NOTE: If you computer contains multiple network adapters, click to select any other network adapter that is connected to your Local Area Network (LAN).
  7. Click OK until you close the properties dialog box.

Configure Internet Explorer

  1. Click Start, point to Settings, click Control Panel, and then double-click Internet.
  2. On the Connection tab, click Connect to the Internet using a local area network.
  3. Click to select the Access the Internet using a proxy server check box.
  4. In the Address and Port boxes, type your proxy server information.
  5. Click to select the Bypass proxy server for local (Intranet) addresses check box.
  6. Click Advanced, and then click to select the Use the same proxy for all protocols check box.
  7. Click OK, and then click OK.

Restart the Computer

  1. Click Start, point to Settings, click Control Panel, and then double-click Services.
  2. Stop all non-critical services.
  3. Restart your computer.
  4. Check for any error messages in Event Viewer.



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