i need to up grade my server 2003 to 2008

If you have AD environment, refer to this Microsoft article named "Upgrading Active Directory Domains to Windows Server 2008 and Windows Server 2008 R2 AD Domains". If your server is not a DC, insert the Windows Server 2008 and upgrade your server. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration