Windows Server 2008 x64
In the old 32-bit operating system environment, the total virtual memory address space is 4 gigabytes (GB) and, by default, it is divided into 2 GB each for applications and the operating system kernel. Though 2 GB of available memory to application may be sufficient for small and simple applications, it definitely does not work well for large-scale and complex applications. In the context of IIS, an application may be recycled when the worker process hits the memory limit.
On the other hand, the 64-bit operating system has much greater address space compared to 32-bit, and it is able to address up to 16 terabytes (TB). Although not many applications may need more than 4 GB of memory addresses, an x64 operating system enables ...
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