Consider the following scenario. You use a computer that is running a 32-bit edition of Windows Vista to remotely install a printer driver on a 64-bit computer that is acting as a print server. Or, you use a computer that is running a 64-bit edition of Windows Vista to remotely install a printer driver on a 32-bit computer that is acting as a print server. In this scenario, you receive one or more of the following error messages:
Error message 1

The Selected driver must be installed remotely from an x64 computer running Windows XP or Windows Server 2003.

Error message 2

Unable to find a core driver package that is required by the printer driver package.