Vista VPN and Cisco Pix Firewalls

Posted: 09-05-2006, 01:13 PM
Hello

I have a question. I have Windows Vista install on a laptop and Desktop
(RC1) and when i want to setup a VPN connection with the normal Windows VPN
wizard. The connection wizard work fine but when I want to connect to a Cisco
Pix firewall (501, 506, 515) I receive a error “Error 732 : Your computer and
the remote computer could not agree on PPP control protocols“. I check the
connection with a Windows XP client and it looks the same. and in XP its
working fine. (so I’m using the VPN without a Cisco Client). The same problem
was in the Bata2 and the Pre-RC1. What is different between XP and Vista
(with out this option many customers can’t use the normal VPN anymore)

Thanks

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Responses to "Vista VPN and Cisco Pix Firewalls"

Jimmy Brush
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Re: Vista VPN and Cisco Pix Firewalls
Posted: 09-05-2006, 01:19 PM
Hello,

I believe Vista by default only uses MS-CHAP v2 authentication protocol.
Changing this setting to use the less secure v1 protocol may allow it to
work.


--
- JB

Windows Vista Support Faq
http://www.jimmah.com/vista/

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Peter
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Re: Vista VPN and Cisco Pix Firewalls
Posted: 09-05-2006, 01:34 PM
I also read that Vista only support MS-CHAP2 But when you take a look at the
VPN connection there is still the option to choose for MS-CHAP1 (same as XP)
And it’s less secure but it's works But has anyone a work around for this
problem?



"Jimmy Brush" wrote:
> Hello,
>
> I believe Vista by default only uses MS-CHAP v2 authentication protocol.
> Changing this setting to use the less secure v1 protocol may allow it to
> work.
>
>
> --
> - JB
>
> Windows Vista Support Faq
> http://www.jimmah.com/vista/
>
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Erik Wikström
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Re: Vista VPN and Cisco Pix Firewalls
Posted: 09-05-2006, 06:53 PM
On 2006-09-05 14:34, Peter wrote:
> I also read that Vista only support MS-CHAP2 But when you take a look at the
> VPN connection there is still the option to choose for MS-CHAP1 (same as XP)
> And it’s less secure but it's works But has anyone a work around for this
> problem?
Do I understand you correct that selecting MS-CHAP1 in Vista makes the
connection work? In that case the only problem you have is that the Pix
is not able to handle a more secure version of the protocol, perhaps an
update of the firewall software will make it support MS-CHAP2.

--
Erik Wikström
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Peter
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Re: Vista VPN and Cisco Pix Firewalls
Posted: 09-06-2006, 01:03 PM
No if you select the MS-CHAP1 option noting is happening.
The connection looks the same as XP but this not working the same.
I hope they fix this “problem”


"Erik Wikström" wrote:
> On 2006-09-05 14:34, Peter wrote:
> > I also read that Vista only support MS-CHAP2 But when you take a look at the
> > VPN connection there is still the option to choose for MS-CHAP1 (same as XP)
> > And it’s less secure but it's works But has anyone a work around for this
> > problem?
>
> Do I understand you correct that selecting MS-CHAP1 in Vista makes the
> connection work? In that case the only problem you have is that the Pix
> is not able to handle a more secure version of the protocol, perhaps an
> update of the firewall software will make it support MS-CHAP2.
>
> --
> Erik Wikström
>
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Robert Gajdzica
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Re: Vista VPN and Cisco Pix Firewalls
Posted: 09-07-2006, 10:51 AM
Sorry for OT, but which VPN protocol are you using? I would like to connect
to Cisco PIX VPN, but was unsucceful neither from XP not Vista. Are you
using PPTP?

Thanks
Robert
"Peter" <Peter@discussions.microsoft.com> wrote in message
news:1DE823AC-CC12-4E4B-9B4D-0787E6784306@microsoft.com...
> Hello
>
> I have a question. I have Windows Vista install on a laptop and Desktop
> (RC1) and when i want to setup a VPN connection with the normal Windows
> VPN
> wizard. The connection wizard work fine but when I want to connect to a
> Cisco
> Pix firewall (501, 506, 515) I receive a error "Error 732 : Your computer
> and
> the remote computer could not agree on PPP control protocols". I check the
> connection with a Windows XP client and it looks the same. and in XP its
> working fine. (so I'm using the VPN without a Cisco Client). The same
> problem
> was in the Bata2 and the Pre-RC1. What is different between XP and Vista
> (with out this option many customers can't use the normal VPN anymore)
>
> Thanks
>

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Peter
Guest
Posts: n/a
 
Re: Vista VPN and Cisco Pix Firewalls
Posted: 09-07-2006, 03:03 PM
Hi Robert

A normal connection in XP was MS-CHAPv1 to connect to a Pix Firewall (PAP
and CHAP is no option because it’s not secure) But the MS-CHAPv1 option is
not available in Vista anymore so it will not work anymore. because
Cisco not working with MS-CHAPv2. I read it’s only available in the 7.0
software but that’s not supported on the Pix 501, 506 and the 515 and that’s
a problem in Vista.


"Robert Gajdzica" wrote:
> Sorry for OT, but which VPN protocol are you using? I would like to connect
> to Cisco PIX VPN, but was unsucceful neither from XP not Vista. Are you
> using PPTP?
>
> Thanks
> Robert
> "Peter" <Peter@discussions.microsoft.com> wrote in message
> news:1DE823AC-CC12-4E4B-9B4D-0787E6784306@microsoft.com...
> > Hello
> >
> > I have a question. I have Windows Vista install on a laptop and Desktop
> > (RC1) and when i want to setup a VPN connection with the normal Windows
> > VPN
> > wizard. The connection wizard work fine but when I want to connect to a
> > Cisco
> > Pix firewall (501, 506, 515) I receive a error "Error 732 : Your computer
> > and
> > the remote computer could not agree on PPP control protocols". I check the
> > connection with a Windows XP client and it looks the same. and in XP its
> > working fine. (so I'm using the VPN without a Cisco Client). The same
> > problem
> > was in the Bata2 and the Pre-RC1. What is different between XP and Vista
> > (with out this option many customers can't use the normal VPN anymore)
> >
> > Thanks
> >
>
>
>
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