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Enable 24-bit Color Depth in Remote Sessions to Windows XP Guests

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Introduction

By default the Windows XP Remote Desktop Protocol (rdp) server will only display remote sessions in 16-bit 'High Color'.

Some may find this unacceptable for example when working with graphic design, or with other specialized applications which require a more accurate representation of color.

This HowTo describes how to allow rdp sessions to connect in 24-bit 'True Color'.


Instructions

Editing the Windows Registry

1. From the 'Start Menu' click 'Run'.

2. In the 'Run' dialog, open 'regedit'

3. Expand to this location: 

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp

4. Open the 'Color Depth' key and change it from the default value of 3 to a new value of 4.

5. Reboot & you're done.

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