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Microsoft KB Archive/173265

From BetaArchive Wiki

Article ID: 173265

Article Last Modified on 2/24/2005


  • Microsoft Visual Basic 5.0 Professional Edition
  • Microsoft Visual Basic 5.0 Enterprise Edition

This article was previously published under Q173265


The Internet Transfer Control included in Service Pack 2 for Visual Studio 97 is unable to make authenticated connections for either the HTTP or FTP protocols. Anonymous connections still work. If you try to specify the Username and Password, you will get the following error:

Run-time error '35754'
Unable to connect to remote host


This version of the control does not properly handle the Username and Password properties.


To restore this functionality temporarily, replace the Msinet.ocx included with SP2 with the Msinet.ocx on the Visual Basic 5.0 CD.


Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.


Steps to Reproduce Behavior

  1. Start a new Standard EXE project. Form1 is added by default.
  2. From the Project menu, click Components, and select the Internet Transfer Control 5.0 into the project if it is not already loaded.
  3. Place an Internet Transfer Control 5.0 (Inet1) on Form1 and add the following code:

          Private Sub Inet1_StateChanged(ByVal State As Integer)
           Dim vtData As Variant ' Data variable.
           Select Case State
           ' ... Other cases not shown.
           Case icError ' 11
               ' In case of error, return ResponseCode and
          ' ResponseInfo.
               vtData = Inet1.ResponseCode & ":" & _
           Case icResponseCompleted  ' 12
               Dim strData As String: strData = ""
               Dim bDone As Boolean: bDone = False
               ' Get first chunk.
               vtData = Inet1.GetChunk(1024, icString)
               Do While Not bDone
                   strData = strData & vtData
                   ' Get next chunk.
                   vtData = Inet1.GetChunk(1024, icString)
                   If Len(vtData) = 0 Then
                       bDone = True
                   End If
              MsgBox strData
           End Select
          End Sub
  4. Place a CommandButton (Command1) on Form1 and add the following code:

          Private Sub Command1_Click()
              Inet1.UserName = "Username"
              Inet1.Password = "Password"
              Inet1.URL = "ftp://YourFTPServer"
              Inet1.Execute , "DIR"
         End Sub
  5. From the Run menu, click Start (ALT, R, S) or press the F5 key to run the program. Click the Command1 button, and you will see error described above.

NOTE: The above sample demonstrates the problem with FTP, but it also occurs for the HTTP protocol

Keywords: kbbug KB173265