Re: VPN disconnection
- From: "Pedro CR" <pramilo@xxxxxxxxxxxxxxx>
- Date: Fri, 28 Dec 2007 20:46:07 -0000
Hi Manfred
Thank you very much for the time taken to review my post.
I have installed sp2 and installed all the hotfixes related to SP2 on
SBS2003. I have also run the SBS BPA tool and all is OK.
I am currently away but I will post back the details requested, as soon as
I get back to the office
Bestregards
Pedro.
"Manfred Zhuang [MSFT]" <v-mzhuan@xxxxxxxxxxxxxxxxxxxx> escreveu na mensagem
news:O%23dc$UUSIHA.5204@xxxxxxxxxxxxxxxxxxxxxxxxx
Hello Pedro,
Thank you for posting here.
From your post, I understand that you are using SBS VPN and the VPN
connection keeps disconnecting.
Based on my research, if you installed SP2 on the SBS server without
installing the hotfixes, there will be some problems with VPN.
Therefore if you installed SP2 on the server, please refer to following
article to ensure all the hotfixes are installed.
Best practices and known issues when you install Windows Server 2003
Service Pack 2 on a Windows Small Business Server 2003-based computer
http://support.microsoft.com/kb/939421
In addition, please refer to following article to check if all the
settings
are correct.
837355 How to configure a VPN server by using Internet Security and
Acceleration (ISA) Server 2006 or ISA Server 2004
http://support.microsoft.com/?id=837355
I hope the above information is helpful to you. If the problem still
occurs, please help me gather following information:
1. What is the OS installed on the remote clients? Vista or XP?
2. Please help to gather the ISA Info:
1) Download the file from the following URL:
http://www.isatools.org/isainfo/ISAInfo.zip
2) Extract all files to a folder on ISA server.
3) Double click Isainfo.js. This will generate 2 files
ISAInfo2004-<computer-name>.log and ISAInfo2004-<computer-name>.xml in the
current folder.
4) Please send these files to me at v-mzhuan@xxxxxxxxxxxxx
3. Please also help to gather the ISA logs:
1) Schedule a down time.
2) Open ISA 2004 management console.
3) Expand the server node and highlight 'Monitoring'.
4) In the right pane, switch to the 'Logging' tab, make sure the 'Task
Pane' is showed there.
5) In the 'Task Pane', click 'Configure Firewall Logging' under 'Logging
Tasks', and then switch the 'log storage format' from 'MSDE database'
(default) to 'File'.
6) Switch to the 'Fields' tab, click 'Select All', and then click OK.
7) In the 'Task Pane', click 'Configure Web Proxy Logging' under 'Logging
Tasks', and then switch the 'log storage format' from 'MSDE database'
(default) to 'File'.
8) Switch to the 'Fields' tab, click 'Select All', and then click OK.
9) Click 'Apply' to save changes and update the configuration.
10) Temporarily disable the Firewall service. To do that, please click
Monitoring | Services tab, and then right click 'Microsoft Firewall' to
choose 'Stop'.
11) Clear the current existing W3C logs. To do that, go to the log saving
directory and clean any existing .W3C logs. By default, the logs will be
saved to 'C:\Program Files\Microsoft ISA Server\ISALogs'. (Some MDF may
not
be able to deleted, that's normal.) You may backup them first and then
delete them.
12) Go back to the ISA 2004 management console, and then Start the stopped
'Microsoft Firewall' service.
13) Reproduce the problem, stop the service, and then gather the resulting
W3C files to me for analysis.
14) Please also let me know the IP address of the testing clients so that
I
can filter the data.
Hope the above information helps. Please feel free to let me know if there
is anything I can do for you.
4. Please download the MPS Report tool from the following link and run it
on the SBS server, then send the generated CAB file to my mailbox
v-mzhuan@xxxxxxxxxxxxx for further investigation so that we can find what
the root cause is:
http://download.microsoft.com/download/b/b/1/bb139fcb-4aac-4fe5-a579-30b0bd9
15706/MPSRPT_NETWORK.EXE
For your information:
http://www.microsoft.com/downloads/details.aspx?FamilyId=CEBF3C7C-7CA5-408F-
88B7-F9C79B7306C0&displaylang=en
Please try the above steps at your earliest convenience. If you have any
concern, please feel free to let me know.
Best regards,
Manfred Zhuang(MSFT)
Microsoft Online Newsgroup Support
Get Secure! - www.microsoft.com/security
=====================================================
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=====================================================
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--------------------
| From: "Pedro CR" <pramilo@xxxxxxxxxxxxxxx>
| Subject: VPN disconnection
| Date: Thu, 27 Dec 2007 01:17:12 -0000
| Lines: 111
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| X-Tomcat-NG: microsoft.public.windows.server.sbs
|
| Hi
|
| We have SBS 2003 R2 Premium with another Windows 2003 R2 Server as a
member
| server (additional domain controller).
|
| We have been experiencing problems where, at certain times of the day,
the
| VPN connetion from clients keeps disconnecting. Sometimes seconds after
we
| connect the connection is lost again.
| The symptoms for the disconnection are:
| - We see the requests being sent (the LOCAL computer shows network
| activity, sending to the VPN) but there apperas to be no answer from the
| server. After a while the connection is lost.
|
| Can you please point me out some clues on what might be causing this or
what
| should I do to troubleshoot the problem?
|
| Thank you very much
| Pedro.
|
| IPCONFIG posted bellow:
| ----------------------------------------------
|
|
| Windows IP Configuration
|
|
|
| Host Name . . . . . . . . . . . . : sbs2003
|
| Primary Dns Suffix . . . . . . . : XXXXX.local
|
| Node Type . . . . . . . . . . . . : Unknown
|
| IP Routing Enabled. . . . . . . . : Yes
|
| WINS Proxy Enabled. . . . . . . . : Yes
|
| DNS Suffix Search List. . . . . . : XXXXX.local
|
|
|
| PPP adapter RAS Server (Dial In) Interface:
|
|
|
| Connection-specific DNS Suffix . :
|
| Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
|
| Physical Address. . . . . . . . . : 00-53-45-00-00-00
|
| DHCP Enabled. . . . . . . . . . . : No
|
| IP Address. . . . . . . . . . . . : 192.168.16.108
|
| Subnet Mask . . . . . . . . . . . : 255.255.255.255
|
| Default Gateway . . . . . . . . . :
|
| NetBIOS over Tcpip. . . . . . . . : Disabled
|
|
|
| Ethernet adapter Server Local Area Connection:
|
|
|
| Connection-specific DNS Suffix . :
|
| Description . . . . . . . . . . . : HP Network Team #1
|
| Physical Address. . . . . . . . . : 00-18-71-4D-3B-65
|
| DHCP Enabled. . . . . . . . . . . : No
|
| IP Address. . . . . . . . . . . . : 192.168.16.200
|
| Subnet Mask . . . . . . . . . . . : 255.255.255.0
|
| Default Gateway . . . . . . . . . :
|
| DNS Servers . . . . . . . . . . . : 192.168.16.200
|
| Primary WINS Server . . . . . . . : 192.168.16.200
|
|
|
| Ethernet adapter Externo - Internet:
|
|
|
| Connection-specific DNS Suffix . :
|
| Description . . . . . . . . . . . : HP NC7781 Gigabit Server Adapter
|
| Physical Address. . . . . . . . . : 00-19-BB-CC-32-6A
|
| DHCP Enabled. . . . . . . . . . . : No
|
| IP Address. . . . . . . . . . . . : 10.0.0.1
|
| Subnet Mask . . . . . . . . . . . : 255.0.0.0
|
| Default Gateway . . . . . . . . . : 10.0.0.138
|
| DNS Servers . . . . . . . . . . . : 192.168.16.200
|
| NetBIOS over Tcpip. . . . . . . . : Disabled
|
|
|
|
.
- References:
- VPN disconnection
- From: Pedro CR
- RE: VPN disconnection
- From: Manfred Zhuang [MSFT]
- VPN disconnection
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