Windows
From OzmoWiki
32-bit 4GB Limit
This works in VMware as well.
C:\>bcdedit /set nx AlwaysOff The command completed successfully. C:\>bcdedit /set PAE ForceEnable The command completed successfully. C:\>shutdown -r -t 0 -f -c "Enable PAE to remove 4GB RAM limit."
PAE Maximums are defined here
Works on:
- Windows Server 2003, Enterprise/Datacenter Editions
- Windows Server 2008, Enterprise/Datacenter Editions


