If you're running XP Pro, there is a setting in the Group Policy Editor (GPEDIT.MSC) that make the networking settings apply to Administrators, as well.
User Configuration, Administrative Templates, Network, Network Connections.
Enable Windows 2000 Network Connection settings for Administrators. Of course, this make the settings apply to all Administrator users, including you.

Signature
Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart Display\Security
Win 95/98/Me/XP Tweaks and Fixes
http://www.dougknox.com
--------------------------------
Per user Group Policy Restrictions for XP Home and XP Pro
http://www.dougknox.com/xp/utils/xp_securityconsole.htm
--------------------------------
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> How can I restrict the installation of a Dial-up Network acces even if the
> user had administrator rights?
>
> Thanks in advance.
>
> Malberto
Matt Gibson - 30 Jun 2005 04:04 GMT
But this is something that can be undone by another administrator.
Matt Gibson - GSEC
If you're running XP Pro, there is a setting in the Group Policy Editor
(GPEDIT.MSC) that make the networking settings apply to Administrators, as
well.
User Configuration, Administrative Templates, Network, Network Connections.
Enable Windows 2000 Network Connection settings for Administrators. Of
course, this make the settings apply to all Administrator users, including
you.

Signature
Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart
Display\Security
Win 95/98/Me/XP Tweaks and Fixes
http://www.dougknox.com
--------------------------------
Per user Group Policy Restrictions for XP Home and XP Pro
http://www.dougknox.com/xp/utils/xp_securityconsole.htm
--------------------------------
Please reply only to the newsgroup so all may benefit.
Unsolicited e-mail is not answered.
> How can I restrict the installation of a Dial-up Network acces even if the
> user had administrator rights?
>
> Thanks in advance.
>
> Malberto
Doug Knox MS-MVP - 30 Jun 2005 05:30 GMT
Yeah.......... When you give someone Admin rights, they have full control over the computer.

Signature
Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart Display\Security
Win 95/98/Me/XP Tweaks and Fixes
http://www.dougknox.com
--------------------------------
Per user Group Policy Restrictions for XP Home and XP Pro
http://www.dougknox.com/xp/utils/xp_securityconsole.htm
--------------------------------
Please reply only to the newsgroup so all may benefit.
Unsolicited e-mail is not answered.
> But this is something that can be undone by another administrator.
>
[quoted text clipped - 16 lines]
>>
>> Malberto
Mario Alberto MX - 30 Jun 2005 18:07 GMT
Thanks
I will to change rights to the users and then apply the changes on the
network settings.
Yeah.......... When you give someone Admin rights, they have full control
over the computer.

Signature
Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart
Display\Security
Win 95/98/Me/XP Tweaks and Fixes
http://www.dougknox.com
--------------------------------
Per user Group Policy Restrictions for XP Home and XP Pro
http://www.dougknox.com/xp/utils/xp_securityconsole.htm
--------------------------------
Please reply only to the newsgroup so all may benefit.
Unsolicited e-mail is not answered.
> But this is something that can be undone by another administrator.
>
[quoted text clipped - 18 lines]
>>
>> Malberto