
Upgrading Your Operating System 31
Upgrading Your Operating System
NOTICE: When you upgrade your operating system by following the procedures in this section, only the
Windows components will be upgraded. If you upgrade your operating system by booting from the operating
system CD, a clean installation will occur and all data will not be preserved.
Operating System Upgrade Paths
Microsoft provides two upgrade paths for your operating system software. Table 4-1 provides the
supported upgrade paths for your software.
The terms "Windows Server 2003", "Windows Server 2003 R2", and "Windows Storage Server 2003
R2" may be used interchangeably during the upgrade procedure, within system properties, and in
other areas within the operating system. This configuration is as designed by Microsoft. See the
COA label or Microsoft Knowledge Base article 915044 located on the Microsoft Support website at
support.microsoft.com for information about identifying the Windows operating system edition
that is installed on your system.
NOTE: When you upgrade your operating system to another edition (for example, Workgroup Edition to
Standard Edition), your system must support both editions. For example, the Dell™ PowerEdge™ 840 system
supports Windows Storage Server 2003 R2 x64 Workgroup Edition, but the platform does not support the
Windows Storage Server 2003 R2 x64 Standard Edition. As a result, you cannot upgrade your system as shown
in Table 4-1. See the Platform Support Matrix in the Important Information document for details about
operating system support for each platform.
Table 4-1. Operating System Upgrade Paths
Current Operating System Supported Upgrade Kit
Microsoft Windows Storage Server 2003 R2
With SP2 x64 Workgroup Edition
Microsoft Windows Storage Server 2003 R2
With SP2 x64 Standard Edition
Microsoft Windows Storage Server 2003 R2
With SP2 x64 Standard Edition
Microsoft Windows Storage Server 2003 R2
With SP2 x64 Enterprise Edition
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