RE: 802.x L2TP Authentication
- From: v-yanniw@xxxxxxxxxxxxxxxxxxxx ("Jenny wu [MSFT]")
- Date: Mon, 05 Dec 2005 07:00:17 GMT
Hi Rodney,
Thanks for using the SBS newsgroup!
For your description, I understand that you have some wireless
authentication issue after setup RADIUS server. If I am off base, please
don't hesitate to let me know.
For your current situation, I suggest that you refer to the following white
paper to re-configure wireless authentication:
http://www.microsoft.com/downloads/details.aspx?displaylang=en&familyid=0f7f
a9a2-e113-415b-b2a9-b6a3d64c48f5
The article describes how to configure secure wireless access using IEEE
802.1X authentication using Protected Extensible Authentication
Protocol-Microsoft Challenge Handshake Authentication Protocol version 2
(PEAP-MS-CHAP v2) and Extensible Authentication Protocol-Transport Layer
Security (EAP-TLS) in a test lab using a wireless access point (AP) and
four computers. Of the four computers, one is a wireless client, one is a
domain controller, certification authority (CA), and Dynamic Host
Configuration Protocol (DHCP) and Domain Name System (DNS) server, one is a
Web and file server, and one is an Internet Authentication Service (IAS)
server that is acting as a Remote Authentication Dial-in User Service
(RADIUS) server.
And then please check if the issue be fixed.
If the issue persists, please kindly help me collect some information for
further analyze the issue:
1. Does the issue happen on all wireless user account? Please try to use
another RADIUS user account to test, how about the result?
2. Please produce the issue and catch a screen shot of the issue.
To make a screen shot:
A. Press Alt + Pr Scrn to capture a screen shot.
B. From Start, go to Run, enter pbrush in the Open box, and then click OK.
C. Use Ctrl + V to paste the screen shot to the canvas.
D. From the File menu, go to Save and save as a JPG file.
3. Use rasdiag utility to capture the detailed VPN connection activity for
further research:
a. The rasdiag utility is integrated in Windows XP support tool. Insert
Windows XP installation CD. Navigate to \SUPPORT\TOOLS. Double-click
''SUPTOOLS'' to completely install the support tools onto the computer.
b. Open a command prompt. Type the following commands:
cd \program files\support tools
rasdiag
c. DO NOT close the command prompt. Open the VPN dial-up entry. Try to
reproduce the problem.
d. Go back to the command prompt. Press Space bar. The rasdiag utility will
stop capturing the network traffic and generate a Remote Access Diagnostic
file.
e. Please send the file to me at v-yanniw@xxxxxxxxxxxxx
More info:
309553 How to Use the Rasdiag.exe Support Tool in Windows XP
http://support.microsoft.com/?id=309553
4. Please give me a copy of System/Application log on the server box.
To save a text copy of Application /System log:
A. Open Event Viewer: Start -> All Programs -> Administrative Tools ->
Event Viewer.
B. Right-click on Application/System log and select "Save Log File As?".
I appreciate your time to the issue. I am happy to be assistance of you and
look forward to your reply!
Have a nice day!
Sincerely,
Jenny Wu
Microsoft CSS Online Newsgroup Support
Get Secure! - www.microsoft.com/security
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--------------------
>Thread-Topic: 802.x L2TP Authentication
>thread-index: AcX4055E3adX3L0eQGeBpSJo9xQvyA==
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>From: =?Utf-8?B?Um9kbmV5?= <Rodney@xxxxxxxxxxxxxxxxxxxxxxxxx>
>Subject: 802.x L2TP Authentication
>Date: Sun, 4 Dec 2005 05:07:02 -0800
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>Small Business Server 2003 Standard.XPPro SP2 Clients.
>L2TP VPN wired authenticates fine.Cerificates all good.
>DLINK DGL 4300 WPA to client works server gives IP Address.
>Set up Radius client to ISA RADIUS Server and verify.Client computer still
>connects via VPN L2TP wired however the wireless connection says
>Authentication failed.Server will not authenticate and give IP address to
>wireless client.PEAP doesnt work for wireless either.
>
.
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