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Guest Operating System Installation Guide

Product Activation

The Longhorn product activation feature creates a numerical key based on the virtual

hardware in the virtual machine where it is installed. Changes in the configuration of

the virtual machine may require you to reactivate the operating system. There are

some steps you can take to minimize the number of significant changes.

• Set the final memory size for your virtual machine before you activate Longhorn.

When you cross certain thresholds — approximately 32MB, 64MB, 128MB,

256MB, 512MB and 1GB — the product activation feature sees the changes as

significant.

Note: The size reported to the Windows product activation feature is slightly

less than the actual amount configured for the virtual machine. For example,

128MB is interpreted as falling in the 64MB–127MB range.

• Install VMware Tools before you activate Longhorn. When the SVGA driver in the

VMware Tools package is installed, it activates features in the virtual graphics

adapter that make it appear to Longhorn as a new graphics adapter.

• If you want to experiment with any other aspects of the virtual machine

configuration, do so before activating Longhorn. Keep in mind that typically you

have 14 days for experimentation before you have to activate the operating

system. (Your EULA may define a different period before activation is required.)

For more details on Longhorn product activation, see the Microsoft Web site.

Display Hardware Acceleration

Longhorn has display adapter hardware acceleration disabled by default. This slows

down graphics performance and mouse responsiveness in the guest operating

system.

To enable hardware acceleration in a Longhorn guest, open the Control Panel, then

open the Display Properties control panel. On the Settings tab, click Advanced. On the

Troubleshoot tab, drag the Hardware acceleration slider all the way to Full.

Guest Screen Saver

On a Linux host with an XFree86 3.x X server, it is best not to run a screen saver in the

guest operating system. Guest screen savers that demand a lot of processing power

can cause the X server on the host to freeze.

Hibernation

The hibernation feature is not supported in this release. Instead of using the guest

operating system’s hibernate feature, suspend the virtual machine.

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Red Hat LINUX VIRTUAL SERVER 4.5 - ADMINISTRATION Guida di Installazione Pagina 18