Step by step

Step by step Instructions for fixing Protocol Errors

When you dial in, you receive
invalid protocols

Step 1: Check the Network Protocols

Double click on My Computer

Double click on Control Panel

Double click on

Double click on Dial Up Adapter

Select the Bindings tab

Uncheck everything but TCP/IP

Click OK

Network Configuration

Double click on TCP/IP

Select the WINS Configuration tab

Select Disable WINS Resolution

Click OK (This is occasionally hidden by the Start bar. Pull the window up to see it.)

Click OK at the Configuration window

Click Yes to have the computer restart (It should only ask to restart if you changed settings.)

If all that was correct, close Network and the Control Panel

In My Computer, double click on Dial Up Networking

Click with the RIGHT mouse button on their dialer icon (Commonly angepin-? or Dial West Central Net)

Click on Properties

Select the Server Types tab

The top line should be PPP:...

TCP/IP should be the ONLY protocol selected

Click on the TCP/IP Settings button

It should be set to Server Assigned IP Address

Also on Server Assigned Name Server Addresses (this one is commonly wrong)

Check with the customer to make sure that the numbers are in grey

Both bottom boxes must be checked

Click OK

Click OK at the Server Types window

This will get you back to General or DUN

Click OK if you are at General

Otherwise, close DUN and My Computer

Have the customer try to dial in

Step 2: Reinstalling the Communications Stack

Do this step if you have already confirmed the Protocols and are still having the same problem, or all the settings were already correct.

NOTE: This requires the Windows CD
Double click on My Computer

Double click on

Double click on Add/Remove Programs

Select the Windows Setup tab

Uncheck Communications

Click OK

After a brief wait, the computer will be back at the Control Panel

Double click on Add/Remove Programs

Select the Windows Setup tab

Recheck Communications

Click OK

The system will copy files from the CD. It will make two passes to 100%. If you get a message saying "A file being copied is older than the file currently on your computer...", click Yes to keep the most recent file.

Click OK to message about Restarting to use DUN or Direct Cable Connection

Click Yes to Restart (if it doesn't ask to restart, have them restart)

When the computer restarts, it should come back up to the Control Panel.

Double click on

Windows 95

Click on

Select Protocol and click

again.

On the left side, select Microsoft and on the right, TCP/IP

Choosing

Click on the OK button

Network Config

Double click on Dial Up Adapter

Select the Bindings tab

The only thing that should be checked is TCP/IP. You will probably have to uncheck NetBEUI and IPX/SPX Compatible Protocol.
Click on OK.

Double click on TCP/IP and select the WINS Configuration tab.

Select Disable WINS Resolution.

Click on OK.

Click on OK at the Network Configuration screen.

It should copy some files from the CD again. If you get a message saying "A file being copied is older than the file currently on your computer...", click Yes to keep the most recent file.
Click Yes to restart the computer

When it comes back up, close the Control Panel and My Computer. Then try to connect to the internet.

Windows 98

Double click on TCP/IP

Click OK to the message about changing TCP/IP Properties

Select the WINS Configuration tab

Select Disable WINS Resolution

Click on OK

Click on OK at the Network Configuration screen

It may update some files from the CD. Click on Yes to restart the computer.

When it comes back up, close the Control Panel and My Computer. Then try to connect to the internet.