Wednesday, May 11, 2005

The 4GB Windows Memory Limit: What does it really mean?

The real limit for Citrix/TS seems to be 4 GB of RAM - not so much as CPUs.

The 4GB Windows Memory Limit: What does it really mean?: "People who are unfamiliar with the real meaning behind the 4GB Windows memory limit often point out that certain versions of Windows (such as Enterprise or Datacenter editions) can actually support more than 4GB of physical memory. However, adding more than 4GB of physical memory to a server still doesn't change the fact that it's a 32-bit processor accessing a 32-bit memory space. Even when more than 4GB of memory is present, each process still has the normal 2GB virtual address space, and the kernel address space is still 2GB, just as on a normal non-PAE system."

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