SQL Server on multicore processor

Before you install SQL Server 2005, temporarily change the number of logical processors to one. This makes the computer appear to be a single-processor system, and SQL Server 2005 is installed successfully. To do this, follow these steps:

Windows Server 2003

To change the number of logical processors in Windows Server 2003, follow these steps:
Click Start, click Run, type msconfig, and then click OK.
In the System Configuration Utility dialog box, click the BOOT.INI tab.
On the BOOT.INI tab, click Advanced Options.
In the BOOT.INI Advanced Options dialog box, click to select the /NUMPROC= check box.
In the list that is next to the /NUMPROC= check box, click 1, and then click OK.
In the System Configuration Utility dialog box, click OK.
Restart the server.
Install SQL Server 2005.
Install the latest service pack for SQL Server 2005.

Restart the server by using all the processors. To do this, follow these steps:
Click Start, click Run, type msconfig, and then click OK.
In the System Configuration Utility dialog box, click the General tab.
On the General tab, click Normal Startup - load all device drivers and services, and then click OK.
Restart the server.


Windows Server 2008

To change the number of logical processors in Windows Server 2008, follow these steps::
Click Start, click Run, type msconfig, and then click OK.
In the System Configuration dialog box, click the Boot tab.
On the Boot tab, click Advanced options.
In the BOOT Advanced Options dialog box, click to select the Number of processors check box.
Under the Number of processors check box, click 1, and then click OK.
In the System Configuration dialog box, click OK.
Restart the server.
Install SQL Server 2005.
Install the latest service pack for SQL Server 2005.

Note You must install SQL Server 2005 Service Pack 2 (SP2) or a later service pack on Windows Server 2008.

Restart the server by using all the processors. To do this, follow these steps:
Click Start, click Run, type msconfig, and then click OK.
In the System Configuration dialog box, click the General tab.
On the General tab, click Normal startup, and then click OK.
Restart the server.