Maximum recognized memory size for versions of Windows Server 2003 and 2008

Source: Internet
Author: User

Windows Server 2003 Web Edition (Standard English name: Windows Server 2003 Web Edition)


Used to build and store Web applications, Web pages, and XML Web Services. It primarily uses IIS 6.0 Web servers and provides rapid development and deployment of XML Web services and applications using ASP. Supports dual processors with a minimum support of 256MB of memory. It supports up to 2GB of memory.


Windows Server 2003 Standard Edition (Standard English name: Windows Server 2003 Edition)


Sales targets are small and midsize businesses that support file and printer sharing, provide secure Internet connectivity, and allow centralized application deployment. Supports up to 4 processors, supports up to 256MB of memory, and supports up to 4GB of memory.


Windows Server 2003 Enterprise Edition (Standard English name: Windows Server 2003 Enterprise Edition)


The main difference between Windows Server 2003 Enterprise Edition and Windows Server 2003 Standard Edition is that Windows Server 2003 Enterprise Edition supports high-performance servers and can cluster servers to handle larger workloads. These features enable reliability and help ensure that the system remains available even when a problem occurs. Supports up to eight processors in a system or partition, eight node clusters, and up to 32GB of memory.


Windows Server 2003 Datacenter Edition (Standard English name: Windows 2003 Datacenter Edition)


Designed for large enterprises or national institutions that require the highest levels of scalability, availability, and reliability. It is the most powerful server operating system. Divided into 32-bit and 64-bit editions:

The 32-bit version supports 32 processors, supports 8-point clustering, requires 128M of memory, and supports up to 512GB of memory.

The 64-bit version supports Itanium and Itanium2 two processors, supports 64 processors and supports 8-point clusters, supports up to 1GB of memory, and supports up to 512GB of memory.



Windows Server 2008 Max Memory limit:

Windows Server x86

Windows Server 2008 Standard Edition, supports maximum 4GB memory

Windows Server 2008 Enterprise Edition, supports maximum 64GB memory

Windows Server 2008 Datacenter Edition, supports up to 64GB of memory

Windows Server x64 with or without Hyper-V Role Enable

Windows Server 2008 Standard Edition, supports maximum 32GB memory

Windows Server 2008 Enterprise Edition, supports maximum 1TB memory

Windows Server 2008 Datacenter Edition, supports up to 1TB of memory

Windows Server2008 R2 max memory limit:

Windows Server R2 with Hyper-V Role Enable

Windows Server R2 Standard Edition with 32GB memory support

Windows Server R2 Enterprise Edition with 1TB memory support

Windows Server R2 Data Center Edition, up to 1TB memory support

Windows Server R2 without Hyper-V Role Enable

Windows Server R2 Standard Edition with 32GB memory support

Windows Server R2 Enterprise Edition with 2TB memory support

Windows Server R2 Data Center Edition, up to 2TB memory support


Maximum recognized memory size for versions of Windows Server 2003 and 2008

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