Microsoft KB Archive/840190

= You cannot add a parallel port card to a virtual machine in Virtual Server 2005 or Virtual PC 2004 =

Article ID: 840190

Article Last Modified on 11/2/2007

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APPLIES TO


 * Microsoft Virtual Server 2005 Standard Edition
 * Microsoft Virtual PC 2004

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SYMPTOMS
When you try to select a parallel port card in Microsoft Virtual Server 2005 or in Microsoft Virtual PC 2004, the parallel port does not appear in the list of ports.



CAUSE
This problem occurs because in Virtual Server 2005 and in Virtual PC 2004, only on-board parallel ports that use an input/output (I/O) address range of 378h to 37Fh can be attached to virtual machines. An I/O address range of 378h to 37Fh is typically used by the LPT1 port. You can configure parallel port cards to use the LPT1 port, but parallel port cards cannot use an I/O address range of 378h to 37Fh.



WORKAROUND
To work around this problem, use an on-board parallel port that is configured to use an I/O address range of 378h to 37Fh.

Additional query words: vs vpc

Keywords: kbbug kbnofix KB840190

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