Windows Vista PnP-X Devices – IPBUSENUM.DLL

Ipbusenum.dll will be found in your Windows\System32 folder. This file is part of your Windows Vista Operating System. It is the PnP-X IP Bus Enumberator DLL. This file helps your computer keep track of 'Web based' Plug and Play devices. We'd recommend leaving it in place. You'll find more information at http://www.microsoft.com/whdc/rally/pnpx-spec.mspx.

We found a few common errors involving this file:
A "Web Services on Devices"-based printer appears as Offline after you wake a Windows Vista-based computer from sleep. You'll find more information at http://support.microsoft.com/kb/934455.

When you try to install a Web Services on Devices (WSD)-based device on a Windows Vista-based computer, the installation is not completed successfully. You'll find more information at http://support.microsoft.com/kb/935276.

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