Enabling 3GB switch on Windows Vista™ or Windows 7
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You want to enable the 3GB switch on the Windows Vista™ or Windows 7 operating systems.
To enable the 3GB switch on Windows Vista™ or Windows 7:
- Right-click Command Prompt in the Accessories program group of the Start menu. Click Run as Administrator.
- At the command prompt, enter "bcdedit /set IncreaseUserVa 3072"
- Restart the computer.
To disable the 3GB switch:
- Right-click on Command Prompt in the Accessories program group of the Start menu. Click Run as Administrator.
- At the command prompt, enter "bcdedit /deletevalue IncreaseUserVa"
- Restart the computer.
For more information on the 3GB switch, refer to the following Microsoft MSDN article: