DOCUMENT:Q174835 11-JAN-2001 [vbwin] TITLE :FIX: Internet Transfer Control Using Username and Password PRODUCT :Microsoft Visual Basic for Windows PROD/VER:WINDOWS:5.0 OPER/SYS: KEYWORDS:kbVBp500 kbVS97sp2fix kbvbp500sp3fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual Basic Learning Edition for Windows, version 5.0 - Microsoft Visual Basic Professional Edition for Windows, version 5.0 - Microsoft Visual Basic Enterprise Edition for Windows, version 5.0 ------------------------------------------------------------------------------- SYMPTOMS ======== The Internet Transfer Control 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 CAUSE ===== The control did not properly handle the Username and Password. STATUS ====== Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This bug has been fixed in Visual Studio 97 Service Pack 3. For more information, please see the following article in the Microsoft Knowledge Base: Q170365 : INFO: Visual Studio 97 Service Packs - What, Where, and Why For a list of the Visual Basic 5.0 bugs that were fixed in the Visual Studio 97 Service Pack 3, please see the following article in the Microsoft Knowledge Base: Q175450 : INFO: Visual Basic 5.0 Fixes in Visual Studio 97 Service Pack 3 MORE INFORMATION ================ Steps to Reproduce Behavior --------------------------- 1. Start a new Standard EXE project. Form1 is added by default. 2. From the Project menu, choose Components, and select the Internet Transfer Control 5.0(SP2) into the project if it is not already loaded. 3. Place an Internet Transfer Control 5.0(SP2) on Form1 and add the following code: Private Sub Inet1_StateChanged(ByVal State As Integer) Const lCHUNKSIZE As Long = 1024 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 & ":" & _ Inet1.ResponseInfo Case icResponseCompleted ' 12 Dim strData As String: strData = "" Dim bDone As Boolean: bDone = False ' Get first chunk. vtData = Inet1.GetChunk(lCHUNKSIZE, icString) DoEvents Do While Not bDone strData = strData & vtData ' Get next chunk. vtData = Inet1.GetChunk(lCHUNKSIZE, icString) DoEvents If Len(vtData) = 0 Then bDone = True End If Loop 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, choose Start (ALT, R, S), or press the F5 key to run the program. Press the Command1 button and you will see error described above. REFERENCES ========== Q173265 : BUG: Internet Transfer Control (SP2) Username and Password Q173264 : HOWTO: Internet Transfer Control Using Username and Password ====================================================================== Keywords : kbVBp500 kbVS97sp2fix kbvbp500sp3fix Technology : kbVBSearch kbAudDeveloper kbZNotKeyword6 kbZNotKeyword2 kbVB500Search kbVBA500 kbVB500 Version : WINDOWS:5.0 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.