Optimize dialup modem connection

Only use TCP/IP for the Internet connection (For performance and security):
  1. Open the Control Panel
  2. Double click the Network and Dial-up Connections-applet
  3. Right click your dial-up connection and choose Properties
  4. Select the Networking-tab
  5. Uninstall or untick all Components except Internet Protocol (TCPIP)
  6. Select the Internet Protocol (TCPIP) and choose Properties
  7. Press the Advanced-button
  8. On the General-tab tick Use IP header compression (Can increase ping time, but will improve download)
  9. On the WINS-tab tick Disable NetBIOS over TCP/IP
Optimize the connection to the dial-up server:
  1. Open the Control Panel
  2. Double click the Network and Dial-up Connections-applet
  3. Right click your dial-up connection and choose Properties
  4. Select the Networking-tab
  5. In the dial-up server drop-down box select PPP:Windows 95/98/NT4/2000, Internet
  6. Press the Settings-button and configure the PPP Settings:
    • Check Enable LCP extensions (Unless having problems with connecting to ISP, More Info RFC 1570)
    • Uncheck Enable software compression (Unless using a Winmodem)
    • Uncheck Negotiate multi-link for single link connections (Unless using multiple modems, More Info MS KB307849)
Optimize the hardware features for the connection:
  1. Open the Control Panel
  2. Double click the Network and Dial-up Connections-applet
  3. Right click your dial-up connection and choose Properties
  4. Select the General-tab
  5. Press the Configure-button.
    • Check Enable hardware flow control
    • Check Enable modem error control
    • Check Enable modem compression (Unless using a Winmodem)
More info MS KB244603
More info MS KB307849
More info MS KB314455

Related Configure maximum port speed for modem in Win2k
Related Configure maximum port speed for modem in WinXP

Updated: 15 May 2007

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