Update for Windows Server 2003 x64 Edition (KB899656)
On some multi-processor x64 systems, Windows Server 2003 SP1 does not correctly recognize all configured processors when hyper-threading is enabled.
- On some multi-processor x64 systems, Windows Server 2003 SP1 does not correctly recognize all configured processors when hyper-threading is enabled. This occurs when the BIOS has been designed to reprogram the APIC (advanced programmable interrupt controllers) ID’s at boot time. Most x64 systems are not affected. Do not install this update unless you are experiencing the stated problem.
This download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.
Operating Systems: Windows Server 2003 Datacenter x64 Edition, Windows Server 2003 Enterprise x64 Edition, Windows Server 2003 Standard x64 Edition
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- Do one of the following:
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