Problem: Cannot change Windows Firewall setting on a Microsoft Windows XP SP2 workstation connected to a Small Business Server 2003 because the options are grayed out.
Solution: Remove Firewall Group Policy from the registry.
Note: Local Machine Administrator Rights may be required. If necessary contact your Network Administrator.
Launch RegEdit.
Delete the Registry Key:
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall]
To restore the Group Policy with Firewall On and grayed out.
Launch RegEdit.
Add the following information into the registry.
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall]
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile]
“EnableFirewall”=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile]
“EnableFirewall”=dword:00000001