Backup The Server; Determine Hard Drive Space Requirements - Compaq 117755-003 - ProSignia - 740 White Paper

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Compaq tested four migration scenarios. Each migration scenario was performed as an in-place
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upgrade. The Windows NT Server 4.0 replaces the Windows NT Server 3.51 operating system.
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Details on the migration configuration are located before the text describing the scenarios.
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NOTE: If you want to maintain dual installations, Compaq recommends that you refer to
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the documentation set provided with the Windows NT Server 4.0 software.
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The following list contains the basic tasks involved in the migration process:
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Backup the server

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Determine hard drive space requirements

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Obtain current Windows NT 3.51 support (SSD)
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Disable startup options /services
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Upgrade Windows NT Server
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Upgrade non-Microsoft drivers
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Re-install disabled options/services
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Install the SSD
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Re-install the Compaq Insight Manager Agents
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Install the Microsoft Service Pack
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Backup the Server
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Compaq highly recommends that you backup your server BEFORE you begin the
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upgrade process.
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Determine Hard Drive Space Requirements
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The Windows NT Server 4.0 Setup program requires that you reserve temporary hard drive space
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on the server to perform the upgrade from Windows NT 3.51. The amount of temporary space you
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need depends on the Setup method you choose. Installing from a network requires more space
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than installing from CD-ROM.
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The following provides an estimate of the temporary hard drive space required by the Windows NT
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Server 4.0 migration process using either installation method.
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Migrating Windows NT Server 4.0 source files from a network directory - Approximately
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100 Megabytes
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Migrating using the Windows NT Server 4.0 installation CD from Microsoft - Approximately
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10 Megabytes
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NOTE: Windows NT Server 4.0 displays a warning message if the server does not have
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sufficient hard drive space.
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