RE: LDAP Auth Problem - COM interop

Actually, here is the problem:

Server Error in '/FormsAuthAd' Application.
--------------------------------------------------------------------------------

The requested authentication method is not supported by the server
Description: An unhandled exception occurred during the execution of the
current web request. Please review the stack trace for more information about
the error and where it originated in the code.

Exception Details: System.Runtime.InteropServices.COMException: The
requested authentication method is not supported by the server

Source Error:


Line 22: 'Try
Line 23: 'Bind to the native AdsObject to force authentication.
Line 24: Dim obj As Object = entry.NativeObject
Line 25: Dim search As DirectorySearcher = New
DirectorySearcher(entry)
Line 26:


Source File: C:\Inetpub\wwwroot\FormsAuthAd\LdapAuthentication.vb Line: 24

Stack Trace:


[COMException (0x80072027): The requested authentication method is not
supported by the server]
System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail)
System.DirectoryServices.DirectoryEntry.Bind()
System.DirectoryServices.DirectoryEntry.get_NativeObject()
FormsAuthAd.FormsAuth.LdapAuthentication.IsAuthenticated(String domain,
String username, String pwd) in
C:\Inetpub\wwwroot\FormsAuthAd\LdapAuthentication.vb:24
ASP.Logon_aspx.Login_Click(Object sender, EventArgs e) in
c:\inetpub\wwwroot\FormsAuthAd\logon.aspx:21
System.Web.UI.WebControls.Button.OnClick(EventArgs e)

System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
sourceControl, String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
System.Web.UI.Page.ProcessRequestMain() +1292




--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.2032; ASP.NET
Version:1.1.4322.2032

--
Chris Davoli



"Chris Davoli" wrote:

Joe,
below is the error. Is there anything you can think of?

Also, I am going to buy the book this weekend.

Can I download these samples from chapter 12?

What is this .Net 2.0 ActiveDirectoryMembershipProvider? Where can I find
some info on it?

Chris


Server Error in '/FormsAuthAd' Application.
--------------------------------------------------------------------------------

Error authenticating user. The requested authentication method is not
supported by the server
Description: An unhandled exception occurred during the execution of the
current web request. Please review the stack trace for more information about
the error and where it originated in the code.

Exception Details: System.Exception: Error authenticating user. The
requested authentication method is not supported by the server

Source Error:


Line 38:
Line 39: Catch ex As Exception
Line 40: Throw New Exception("Error authenticating user. " &
ex.Message)
Line 41: End Try
Line 42:


Source File: C:\Inetpub\wwwroot\FormsAuthAd\LdapAuthentication.vb Line: 40

Stack Trace:


[Exception: Error authenticating user. The requested authentication method
is not supported by the server]
FormsAuthAd.FormsAuth.LdapAuthentication.IsAuthenticated(String domain,
String username, String pwd) in
C:\Inetpub\wwwroot\FormsAuthAd\LdapAuthentication.vb:40
ASP.Logon_aspx.Login_Click(Object sender, EventArgs e) in
c:\inetpub\wwwroot\FormsAuthAd\logon.aspx:21
System.Web.UI.WebControls.Button.OnClick(EventArgs e)

System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
sourceControl, String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
System.Web.UI.Page.ProcessRequestMain() +1292




--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.2032; ASP.NET
Version:1.1.4322.2032

--
Chris Davoli

.

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