Assume that you have a computer that is running Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 7 Service Pack 1 (SP1), or Windows Server 2008 R2 SP1. When a service on the computer impersonates a user and then calls SetDefaultPrinter to set a default printer, you find the default printer is set to a wrong printer rather than to the expected one.
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