We are pleased to announce Windows Server 2003 Service Pack IDS build 1039-2 is now available for download at betaplace.com . This build is provided for partner evaluation only. This is NOT a preview of the Beta. Therefore, no feedback will be collected on this build at this time. For those of you evaluating AMD64 builds please see details below. Windows Server 2003? Service Pack 1 (SP1)
Several builds are available at betaplace.com . Not all testers have access to all products listed below.

Windows Server 2003? Service Pack "Stand-Alone"
Updates an existing Windows Server 2003 installation.
Please note: Windows Server 2003 Service Pack "Slipstream" will not be made available for this program. This information is provided so our testers may plan accordingly.

Thank you for testing Windows Server 2003 Service Pack 1.

Microsoft Windows Product Team"

Source : Nikush.com