IBM Support

System only runs on one CPU when Microsoft Server 2003 is installed on multi-processor systems - Servers

Troubleshooting


Problem

When Microsoft Windows Server 2003 is installed on some dual and multi-processor systems based on the Intel Pentium Pro and Pentium II processors, the systems might only run with one processor.

Resolving The Problem

Source

RETAIN tip: H176748

Symptom

When Microsoft Windows Server 2003 is installed on some dual and multi-processor systems based on the Intel Pentium Pro and Pentium II processors, the systems might only run with one processor.

Affected configurations

The system may be any of the following IBM Netfinity servers:

  • an IBM Netfinity 7000-M10 server, type 8680, any model.
  • an IBM Netfinity 7000 server, type 8651, any model.
  • an IBM Netfinity 5500-M20 server, type 8662, any model.
  • an IBM Netfinity 5500-M10 server, type 8661, any model.
  • an IBM Netfinity 5500 server, type 8660, any model.
  • an IBM Netfinity 5000 server, type 8659, any model.

The system may be any of the following IBM PC Servers:

  • an IBM PC Server 704, type 8650, any model.
  • an IBM PC Server 330, type 8640, any model.
  • an IBM PC Server 325, type 8639, any model.

The system may be any of the following IBM IntelliStation workstations:

  • an IBM IntelliStation M Pro, type 6889, any model.
  • an IBM IntelliStation Z Pro, type 6865, any model.
  • an IBM IntelliStation Z Pro, type 6899, any model.

The system is configured with two (or more) processors.

The following operating systems are affected:

  • Microsoft Windows Server 2003, Standard Edition
  • Microsoft Windows Server 2003, Enterprise Edition
  • Microsoft Windows Server 2003, Web Edition

Solution


This information applies for Microsoft Windows Server 2003, Standard Edition, Enterprise Edition, and Web Edition. System administrators are being warned that if they want to upgrade any dual-processor or multi-processor systems to Windows Server 2003, they should check first to determine whether they will be affected by the upgrade.

To check a system before upgrading

To check a server before upgrading, the administrator can run Winmsd to determine if the current system configuration is affected by this issue.

To check a system during the upgrade

  1. Run Setup to start Windows Server 2003 installation.
  2. On the first Setup screen, click Check system compatibility, and then click Check my system automatically to start the compatibility check. If a server is affected, Setup indicates that the dual-processor or multi-processor server will run with only one processor if the upgrade is installed.

To check a system that has already been upgraded

  1. Click Start -> Run and type winmsd to display System Information.
  2. In the Item field, if the entry next to Processor appears as "Processor x86 Family 6 and model 1 or model 3", then this server is only running with one processor. The administrator can choose to either run the system with one processor or reinstall the previous operating system to run with more than one processor.

 

Document Location

Worldwide


Operating System

IntelliStation Pro:All operating systems listed

Older System x:Operating system independent / None


Applicable countries and regions

  • Worldwide
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Document Information

More support for:
Older System x->Netfinity 5500

Document number:
847690

Modified date:
28 January 2019

UID

ibm1MIGR-45412

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