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To enable support for Kernel Mode Drivers:
Open Group Policy.
Under Local Computer Policy, double-click Computer Configuration.
Double-click Administrative Templates, and then double-click Printers.
Right-click "Disallow installation of printers using kernel mode drivers", and then click Properties.
On the Setting tab, click DISABLED, and then click OK.
Running faxinstall now will result in the printer being added to the Windows Printer Collection.
Darum funzt das unter XP Home auch, hat wohl die Sicherheitseinstellung nicht!