Windows98 is not able to connect to SAMBA

by Johannes Helmig [Published on 26 Sept. 1998 / Last Updated on 26 Sept. 1998]

On Windows98, Microsoft has changed the method on connecting to shared resources:
the password is not anymore transmitted as plain text, but encrypted.
That is ok for connecting to other Windows95/NT4 systems, but gives problems on
connecting to systems, which still are only able to accept plain Text Passwords
(like : SAMBA or also Microsoft LanManager shares), so when Windows98 trasmits
the encryped password, you get: incorrect password

Solution (see Microsoft Knowledge Base article Q187228 ):
Configure Windows98 to transmit the password as Plain text.

Method 1

Configure the Samba server to support Challenge-Handshake Authentication Protocol (CHAP) password encryption. Please refer to your Samba documentation for information on how to configure a Samba SMB server.

NOTE: This is the preferred method to resolve this issue because it is more secure than sending unencrypted passwords over the network.

Method 2

You can enable Password Authentication Protocol (PAP) plain text password use in Windows 98. To do so, use the following steps.

WARNING: If you enable plain text password use in Windows 98, all passwords are sent on the network in an unencrypted format. These passwords may be viewed by anyone using a network monitoring program. If security is a concern for your network environment, do not enable plain text passwords.

  1. Insert your Windows 98 CD-ROM into the CD-ROM drive.
  2. Click Start, and then click Run.
  3. In the Open box, type "<drive>:\tools\mtsutil" (without the quotation marks), where <drive> is the letter of the CD-ROM drive that contains the Windows 98 CD-ROM, and then click OK.
  4. Right-click the Ptxt_on.inf file, and then click Install.
  5. Restart your computer.

Method 3

You should use the following method only if you do not have access to the Windows 98 CD-ROM. These steps enable PAP password use without the CD-ROM as mentioned in method 2.

  1. Start Regedit.exe.
  2. Locate the following key in the registry:
          HKLM\System\CurrentControlSet\Services\VxD\VNETSUP
  3. Change the data value for the EnablePlainTextPassword value to "1" (without the quotation marks).
  4. Restart your computer.

See Also


The Author — Johannes Helmig

Dr.Johannes Helmig is working as Director, Technical Knowledge Management in the Belgium office of Gerber Technology where he is involved in Customer Service and internal training, with special interest in Networking.

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