Adding 3GB to Boot.ini Windows 2008

Problem:

In Windows Server 2003, to increase the memory allocated the applications, we usually modify the boot.ini and add /3GB. However, there is not boot.ini in Windows 2008. How can more memory be allocated to user’s applications?

Solution:

Use the BCDEDIT command.

Open Command Prompt (run as Administrator) and issue the following command:

BCDEDIT.EXE /Set IncreaseUserVa 3072

Reboot after entering command.

Note: use the above command at your own risk.

Reference:

Who Moved My /3GB?
http://blogs.technet.com/b/askperf/archive/2009/04/03/who-moved-my-3gb.aspx

BCDEdit /set
http://msdn.microsoft.com/en-us/library/windows/hardware/ff542202%28v=vs.85%29.aspx

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