: Up to 32 GB or 64 GB with Physical Address Extension (PAE) enabled.

The ideal ISO for archival or lab use is en_windows_server_2003_r2_enterprise_with_sp2_vl.iso (Volume License) or its retail counterpart.

Today, these ISOs are primarily used in VMware or VirtualBox environments to run legacy accounting or industrial software that won't work on Windows 10/11.

Improved Distributed File System (DFS) for branch office management and a Storage Management snap-in for central volume management. Deployment and ISO Installation Download Windows Server 2003 Service Pack 2, x64 Editions