You may encounter temporary connection-related errors when you use Windows
Update or Microsoft Update to install updates:
The above KB mentions things besides a firewall.
Start a free Windows Update support incident request:
Support for Windows Update:
For home users, no-charge support is available by calling 1-866-PCSAFETY in
the United States and in Canada or by contacting your local Microsoft
subsidiary. There is no-charge for support calls that are associated with
installing security updates.
For more information about how to contact your local Microsoft subsidiary
for security update support issues, visit the International Support Web
For enterprise customers, support for security updates is available through
your usual support contacts.
~Robear Dyer (PA Bear)
MS MVP-Windows (IE, OE, Security, Shell/User)
AumHa VSOP & Admin; DTS-L.net
> I have tried running Windows Update on Windows home server, Windows Vista
> and Windows XP but all of them failed.
> When I do a trace with VisualRoute the program tells me that there is most
> likely a firewall between me and the windows update server... I have not
> added any firewall....
> When checking the log file I can see the error code: 0x80072efd. I have
> tried everything in the knowledge base for this error code but still no
> Is there an alternative Windows update server that can be used? One that
> not blocked by some strange firewall??