Microsoft KB Archive/117872

Windows NT 3.5 Hives Not Compatible with Windows NT 3.1

PSS ID Number: Q117872 Article last modified on 01-05-1995

3.50

WINDOWS NT

Hives (registry data) saved from a Windows NT 3.5 machine with the RegSaveKey API (application programming interface) cannot be restored on a Windows NT 3.1 machine with RegLoadKey, because the hive format for Windows NT 3.5 is different than the Windows NT 3.1 format (it has been made more efficient). However, Windows NT 3.5 supports both the new and old (Windows NT 3.1) hive formats, so hives created on a Windows NT 3.1 machine can be used on a Windows NT 3.5 machine.

To create a hive on Windows NT 3.5 that can be used on Windows NT 3.1, use the Win32 registry APIs to read the registry key by key, and save the values in your own text format. Use the APIs to restore the registry information on either version of Windows NT.

Additional reference words: 3.50 KBCategory: kbprg KBSubcategory: BseMisc

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Copyright Microsoft Corporation 1995.