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IE7 Proxy Address randomly changing

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by dmnt

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Hi everyone, currently having a problem with proxy settings randomly changing to an internal IP address and not allowing internet browsing. The IP has been the same for each user that has reported this issue. I cannot see any policy or setting that is invoking this IP address.

Environment: Server 2003 SP2 machines Running Terminal services and using citrix for users to access the desktops. A GPO has been setup (User Config > IE Maintenance > Connection/Proxy Settings) I have not at this stage tried a computer policy. This seems to work on any workstations or laptops but is intermittently causing issues for different staff members when they log into the Citrix Desktop. Thus far i have not been able to pinpoint any particular server or even replicate the problem.

Any info/help will be greatly appreciated.

2 replies

by rob miners

Standard users can not change proxy settings after Internet Explorer 7 installation.

http://support.microsoft.com/default.aspx/kb/555850

SUMMARY

After you install Internet Explorer 7 on a desktop computer, standard users (non-admin) can not change proxy settings. This is not happening on mobile computers.

CAUSE

This is happening because the Internet Explorer 7 sets the proxy settings per machine (rather than per-user) by default for desktop computers.

RESOLUTION
In order to resolve this issue you must disable the following Local Computer Policy setting - Computer Configuration\Administrative Templates\Windows Components\Internet Explorer\Make proxy settings per-machine (rather than per-user). You must set this policy setting to disabled even if Group Policy console (gpedit.msc) shows this as Not Configured.

MORE INFORMATION

More information about this setting is available in Windows XP Security Guide:
http://www.microsoft.com/technet/security/prodtech/windowsxp/secwinxp/xpsgch04.mspx

keep us informed as to your progress.

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