Because Microsoft no longer provides these images, you should be extremely cautious of third-party download links, as they often host unauthorized or compromised software.
Always verify the SHA-1 hash of any ISO from third-party sites against known good values (see table below) to avoid tampered or malware-infected files. windows server 2003 iso download
Official Microsoft support for Windows Server 2003 ended on July 14, 2015. Because the software is obsolete and no longer receives security updates, for standard installation. Because Microsoft no longer provides these images, you