Re: Problem When Calling Web Method Of Web Service From Pocket PC 2003.

From: Alex Feinman [MVP] (public_news_at_alexfeinman.com)
Date: 12/15/04 

Date: Tue, 14 Dec 2004 16:13:09 -0800

The CF application will be able to support basic authentication only. As for
your scenario, do you use a domain or a local account?
In both cases try constructing your NetworkCredential using this form:
New NetworkCredential(<user>, <password>, <domain>)

In case of a local computer account, use the computer name in place of
<domain> 

-- 
Alex Feinman
---
Visit http://www.opennetcf.org
"Stephany Young" <noone@localhost> wrote in message 
news:ucWXrVi4EHA.3092@TK2MSFTNGP10.phx.gbl...
> When the Web site and Web Service application are set to allow Anonymous 
> access, the following code works perfectly when used in both a Desktop 
> application and a Pocket PC 2003 application.
>
> Imports System.Net
> Imports <web reference>
>
>    Private Sub CallHelloWorld()
>
>        Label1.Text = String.Empty
>
>        Label1.Update()
>
>        Dim _ws As <web service> = New <web service>
>
>        Label1.Text = _ws.HelloWorld()
>
>    End Sub
>
>
> When the Web site and Web Service application are set to allow only 
> Windows Authentication, the following code works perfectly when used in a 
> Desktop application but fails with a 401 (Unathorized) error when used in 
> a Pocket PC 2003 application.
> The same behaviour occurs if the Web site is set to allow Anonymous access 
> and the Web Service application is set to allow only Windows 
> Authentication.
>
> Imports System.Net
> Imports <web reference>
>
>    Private Sub CallHelloWorld()
>
>        Label1.Text = String.Empty
>
>        Label1.Update()
>
>        Dim _ws As <web service> = New <web service>
>
>        Dim _nwc As NetworkCredential = New NetworkCredential("<user 
> name>@<domain name>", "<password>")
>
>        _ws.Credentials = _cred
>
>        _ws.PreAuthenticate = True
>
>        Label1.Text = _ws.HelloWorld()
>
>    End Sub
>
>
> When the Web site and Web Service application are set to allow only Basic 
> Authentication, the following code works perfectly when used in a Desktop 
> application but fails with a 401 (Unathorized) error when used in a Pocket 
> PC 2003 application.
> The same behaviour occurs if the Web site is set to allow Anonymous access 
> and the Web Service application is set to allow only Basic Authentication.
>
> Imports System.Net
> Imports <web reference>
>
>    Private Sub CallHelloWorld()
>
>        Label1.Text = String.Empty
>
>        Label1.Update()
>
>        Dim _ws As <web service> = New <web service>
>
>        Dim _nwc As NetworkCredential = New NetworkCredential("<user 
> name>", "<password>")
>
>        _ws.Credentials = _cred
>
>        _ws.PreAuthenticate = True
>
>        Label1.Text = _ws.HelloWorld()
>
>    End Sub
>
> In the latter two examples, the behaviour is the same if the 
> '_ws.PreAuthenticate = True' line is removed.
>
> In all examples, the behaviour is the same regardless of whether the Web 
> Service is accessed from the Internet or the LAN.
> No proxy servers are involved.
>
> To confuse the whole issue, accessing the Web service and Web method work 
> perfectly from PocketIE on the Pocket PC both from the LAN and from the 
> Internet.
>
> I suspect that the use of the NetworkCredential class might be deprecated 
> in the CompactFramework or that there might be, (god forbid), a 'bug' in 
> the CompactFramework with the effect being that the details from the 
> NetWorkCredential object are not passed correctly in the call to the Web 
> method.
>
> The Web Server is IIS 6.0 running on Windows Server 2003.
> The Pocket PC has SP2 of the Compact Framework applied.
>
> Can anyone definitely confirm that this is the case, and, if so, has 
> anyone come up with a reliable workaround?
>
>

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