No current OS replicates Drive Extender perfectly, though alternatives like StableBit DrivePool (Windows 10/11) or Unraid come close.
If you absolutely must run WHS 2007 for vintage computing or museum purposes:
If you are determined to run the original Windows Home Server on your hardware, you have a few legitimate paths: Windows Home Server 2007 Product Key
A standard WHS 2007 product key follows the classic 25-character Windows format (5 blocks of 5 alphanumeric characters). Keys were typically tied to specific editions:
Windows Home Server (WHS) was a revolutionary concept. Based on the Windows Small Business Server 2003 code base, it was designed to be a "set it and forget it" solution for households with multiple computers. It offered automated backups, file sharing, remote access, and drive pooling via a technology called Drive Extender. No current OS replicates Drive Extender perfectly, though
Fast forward to today, and you may find yourself rummaging through an old DVD sleeve or a dusty hard drive, asking one question:
Since WHS 2007 is obsolete and insecure, consider: Based on the Windows Small Business Server 2003
For retro-computing enthusiasts, WHS remains a desirable operating system because it runs efficiently on older hardware that might struggle with modern Windows Server editions.
None. Microsoft has officially classified WHS 2007 as “end-of-life” (EOL). Extended support ended in 2013. No new keys are generated; no support is provided.