Microsoft KB Archive/181412

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INFO: Detecting Windows NT Server Enterprise Edition

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Q181412

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The information in this article applies to:


 * Microsoft Windows NT Server, Enterprise Edition

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SUMMARY
The Win32 API calls which return the operating system version number do not distinguish between Windows NT Server and Windows NT Server Enterprise Edition. To determine whether the host machine is running Windows NT Server Enterprise Edition, check the following registry value:

  HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\ ProductOptions\ProductSuite "ProductSuite" is stored as type REG_MULTI_SZ, and contains the string "Enterprise" if Windows NT Server Enterprise Edition is installed.