For those requiring the original installation media (ISO) for legacy hardware or research, the hosts several community-uploaded versions: Windows Server 2003 Enterprise Edition with SP2 . Windows Server 2003 R2 Standard x64 . Critical Risks and Considerations
You can still find official links for Service Pack 2 (x64) and Service Pack 2 (32-bit) directly from Microsoft . windows server 2003 iso download
Downloading Windows Server 2003 ISOs from unofficial sources is often illegal (software piracy) and risky (malware, backdoored images). For those requiring the original installation media (ISO)