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Package Installation

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

You can download hotpatch packages from the Microsoft Download Center ( The Software Update Installation Wizard will step you through the hotpatch installation process.

Hotpatch installation for non-Microsoft deployment tools (such as IBM Tivoli and Altiris Patch Management) is supported by enabling hotpatching from the command line. To enable hotpatching from the command line, type:

WindowsServer2003-KB######-x86-LLL.exe /hotpatch:enable

If the hotpatch installation is successful, a reboot will not be required. A log file is created as a part of the installation process, and it will show if the hotpatch installation was successful.

For the hotpatch installation to be successful, the existing binary file must be the version that the hotpatch was built for. This criterion is verified before the hotpatch installation, and if the binary file does not match, the coldpatch binary file of the update will install, which will require a reboot.

For more information about hotpatch installation and installation logs, see article 897341 in the Microsoft Knowledge Base (

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