I. Windows Server 2003 3790 version identification RTM = Release to Manufacture (public distribution bulk production) is the version of the hardware manufacturer! It is sent to the pressure plate, not taken to sell. OEM = Original Equipment Manufacture can only be installed new, and RTM is almost, but it is different. RTL = Retail (retail) official retail version, you can upgrade or brand new installation. VLK = Volume License is a large number of authorized version, also known as the enterprise version. No activation is required. (On the so-called Simplified Chinese VLK version is actually eight documents in the ordinary Simplified Chinese version of the English VLK version.) Second, the different versions of Windows Server 2003 Windows Server 2003 Web Edition: To quickly develop, deploy web services and applications, Provide web hosting and service platforms. Support 2 SMP (symmetric multiprocessing) system, 2GB memory. Windows Server 2003 Standard Edition: For small and medium-sized businesses and departmental applications. Support 4 channels SMP, 4GB memory. Windows Server 2003 Enterprise: Suitable for central and large organizations, 32-bit and 64-bit versions. Supports 8 node clusters, NUMA; supports 8-channel SMP, where 32-bit supports 32GB memory, and 64GB memory is supported. Windows Server 2003 Data Center Edition: Business-oriented enterprises that require strong scalability and high availability, with 32-bit and 64-bit versions. 32-bit version support 32 channels SMP, 64GB memory; 64-bit support 64-way SMP, 512GB memory; two versions support 8 node clusters, NUMA
