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Troubleshooting Dial-up Networking

Click on the error message or problem below:

bullet10.gif (7394 bytes) There is no dialtone. Check your connection and try again.

bullet10.gif (7394 bytes) Intermittent modem problems (I/O or IRQ Conflicts)

bullet10.gif (7394 bytes) The modem is already in use by another dial-up networking application.

bullet10.gif (7394 bytes) Dial Up Networking could not negotiate a valid set of network protocols.

bullet10.gif (7394 bytes) I hear the modem connect, but I can't send email or look at the web.

bullet10.gif (7394 bytes) Windows says that my username or password is invalid.

bullet10.gif (7394 bytes) My modem connects to ComBase for 5-10 Minutes, then Disconnects.

bullet10.gif (7394 bytes) Windows won't save my password

bullet10.gif (7394 bytes) A Post-Dial Terminal Window Appears every time I dial into ComBase.

bullet10.gif (7394 bytes) Why am I losing IP connectivity (I remain connected but unable to route) on the 56K POP's?

 

There is no dialtone. Check your connection and try again.

1. Check to see that the phone line is plugged in.
    The phone line should be in the modem port that says line or telco.

2. Plug a phone in and ensure that the line is working.

3. Double Click on My Computer
    Double Click on Dial-Up Networking
    Right Click on ComBase
    Choose Properties
    Click the Configure button.
    Click on the Connection Tab.
    Remove the check in Wait for dial tone before dialing.
    Click on OK, and OK again.
    Double Click on ComBase and hit Connect.

 

To determine whether the serial port I/O address and IRQ settings are correctly defined:

1. Click Start
    Point to Settings
    Click Control Panel
    Double-click System
    Click Device Manager
    Click Ports
    Select a specific port, and then click Properties

2. Click Resources to display the current resource settings for that port.
    To find the correct settings, consult your modem documentation.

3. In the Resources dialog box, check the Conflicting devices list to determine
    whether the modem is using resources in conflict with other devices.

4. If the modem is in conflict with other devices,
    Click Change Settings
    Click a configuration that does not have resource conflicts.

NOTE: Do not use a modem on COM3 if there is a serial mouse or other device on COM1. Usually, COM1 and COM3 ports use the same IRQ and cannot be used simultaneously on most computers. The same is true of the COM2 and COM4 ports. If possible, change the COM3 and COM4 port to an IRQ setting that is not in conflict.

Also, some display adapters have an address conflict with COM4 ports. To work around this conflict, use another COM port or replace your graphics adapters.

 

The modem is already in use by another dial-up networking application

1. Hit ALT-CTRL-DEL Simultaneously.
    Look for, and End Task on any communications programs that may be running.
    If in doubt, end task on everything but Explorer and Systray.
    (Repeat until all programs are closed.)
    Retry the connection.

2. Double Click on My Computer
    Double Click on Dial-Up Networking
    Right Click on ComBase - choose properties
    Click on configure.
    Click on the connection tab
    Click on Advanced
    Ensure that the Modem Init String in Extra Settings is valid.
    If in doubt, remove the string (write it down first) and retry the connection.

3. Double Click on My Computer
    Double Click on Dial-Up Networking
    Click once on ComBase and hit Delete.
    Click Yes.
    Follow the Win95/98 Setup Instructions.

 

Troubleshooting TCP/IP Problems:

If you have any networking hardware present, or if you have AOL 3.0 installed,
please call ComBase Technical Support at (813) 681-9342.


1. Re-run the Internet Setup.

2. Go to Start>Settings>Control Panel
    Double Click Network
    Double Click on TCP/IP
    Ensure that there is a dot next to My IP Address is Automatically Assigned.
    Click on the DNS Configuration Tab
    Ensure that there is a dot next to Disable.
    Click OK
    Click OK again
    Click Yes to reboot the computer.
    Retry the connection.

3. If DNS was already disabled, or #2 didn't work, then:
    Double Click on My Computer
    Double Click on Dial-Up Networking
    Right Click on ComBase
    Choose Properties
    Click on Server Types
    Ensure that there's a check in TCP/IP
    Click on TCP/IP Settings
    Ensure there's a check in Server assigned IP address.
    Ensure there's a check in Server assigned name server addresses.
    Click OK until you get back to Dialup Networking.
    Retry your connection

4. If DNS was enabled, or #3 didn't work, then:
    Start>Settings>Control Panel
    Double Click on Network
    Click on Dial-Up Adapter, and click Remove.
    Click OK until you get back to Dial-Up Adapter.
    Click Yes to reboot the computer.
    Double Click on Network again.
    Click Add
    Click Adapter
    Click Add again
    Click on Microsoft on the Left-hand side of the screen.
    Click on Dial-Up Adapter on the right side.
    Click OK.
    Click Add.
    Click Protocol.
    Click Add again.
    Click on Microsoft on the Left-hand side of the screen.
    Click on TCP/IP on the right side of the screen.
    Click OK
    Double Click on TCP/IP
    Ensure that there is a dot next to My IP Address is Automatically Assigned.
    Click on the DNS Configuration Tab.
    Ensure that there is a dot next to Disable.
    Click OK
    Click OK again
    Click Yes to reboot the computer.
    Retry your connection.

5. If none of the above worked, then:
    Go to Start>Settings>Control Panel
    Double Click on Add/Remove Programs
    Click on the Windows Setup tab
    Take the check out of Communications
    Click OK until you get out.
    Click Yes to reboot the computer.
    Re-Run the Internet Setup Wizard

 

My modem connects to ComBase for 5-10 Minutes, then Disconnects.

1. Double Click on My Computer
    Double click on DialUp Networking
    Right Click on ComBase
    Choose Properties
    Click Configure
    Note the COM Port your modem is set to, it may be important later on.
    The Maximum Speed should be set to one increment higher than your actual modem speed (i.e. If you have a 14400Bps Modem, you would select 19200.)
    Click on the Advanced Button
    Remove the Check from Use Error Control
    Input the appropriate Init String for your modem.
    Click OK until you get back to Dial Up Networking.
    Retry your connection.

 

Windows says that my username or password is invalid.

1. Double Click My Computer
    Double Click Dialup Networking
    Double Click ComBase
    Re-enter your name and password.
    Ensure that the username is in ALL LOWERCASE LETTERS.
    Remember that your password is CASE SENSITIVE.
    If there's a check in save password, remove it.
    Once you've successfully logged in, replace the check in save password.

2. If you had windows set to save your password, and step 1 didn't work:
    Go to Start>Find>Files or Folders
    Type *.PWL in the named: field.
    Click on Find Now.
    Rename or Delete all the PWL files that you find.
    Repeat Step 1.

3. If Step 2 doesn't work, then:
    Double Click on My Computer
    Double Click on Dialup Networking
    Right Click on ComBase
    Choose Properties
    Click on Server Types
    Ensure that there's a check in TCP/IP
    Click on TCP/IP Settings
    Ensure there's a check in Server assigned IP address.
    Ensure there's a check in Server assigned name server addresses.
    Click OK until you get back to Dialup Networking.
    Retry your connection

4. If Step 3 didn't work:
    Go to Start>Settings>Control Panel
    Double Click on Add/Remove Programs
    Click on the Windows Setup tab
    Take the check out of Communications
    Click OK until you get out.
    Click Yes to reboot the .
    Re-Run the Internet Setup Wizard

 

Dial-Up Networking won't save my password.

1. Go to Start>Settings>Control Panel
    Double Click on Network.
    Is Client for Microsoft Networks Listed ? If yes, Click here.
    Click Add
    Click Client
    Click Microsoft on the left
    Click Client for Microsoft Networks on the right
    Click OK until you get back to the control panel.
    Click YES when windows asks to reboot.
    When you get the Connect To screen, enter a username to logon to windows,
    Click OK
    Click OK at the confirm password screen.
    Retry the connection.

2. Double-click on the Passwords icon in Control Panel
    Click on the User Profiles tab.
    Select Users can customize their preferences.
    Click OK.
    Restart Windows95/98
    When asked for a username and password, leave the password field blank.
    When asked if Windows95/98 should remember settings for this user, answer Yes.

3. If you had windows set to save your password, and step 1 didn't work:
    Go to Start>Find>Files or Folders
    Type *.PWL in the named: field.
    Click on Find Now.
    Rename or Delete all the PWL files that you find.

4. If you have more than one connection, and the password checkbox is turned off for at least one, none of them will work.

5. Download and install Microsoft's Dial Up Networking Patch.

6. DO NOT TRY THIS UNLESS YOU ARE FAMILIAR WITH REG EDIT!!!
    THIS CAN DAMAGE YOUR SYSTEM IF YOU ARE NOT FAMILIAR WITH REG EDIT!!!
    Run the Registry Editor (REGEDIT.EXE).
    Open HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows\
    CurrentVersion\ Network\ Real Mode Net.
    If you see autologon (on the right side) with a value of 00,
    double-click on it, and replace the value with 01 00 00 00 00.
    You'll have to restart Windows for this change to take effect.

 

A strange black box labeled Post-Dial Terminal Window Appears every time I dial into ComBase.

1. Double Click My Computer
    Double Click Dial Up Networking
    Right Click on ComBase
    Choose Properties
    Click on Configure
    Click on the Options tab
    Take the check out of bring up terminal window before (or after) dialing.

 

Why am I losing IP connectivity (I remain connected but I am unable to route) on the 56K POP's?

    Our 56K POP's are enabled with 56Kflex modems and we have seen instances
    where customers using US Robotics x2 modems experience instability.
    If you have a USR 56K (x2) modem, please try the following:

1. Add the following modem command:  ats15=128 in the PPP dialer.

2. Set the maximum connect speed to 33.6.

    If you are using non-56K USR modem, then still use item 1 above.
    Setting ats15=128 disables v.42 compression, which has a tendency
    to hang or freeze connections (loss of IP connectivity).

 

 

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