Looks like nothing older than Leopard Server (10.5). But I suppose you could try.
For the record, here is the complete list:
Guest Operating Systems
- Windows 10
- Windows 8.1
- Windows 8
- Windows Server 2019
- Windows Server 2016
- Windows Server 2012 R2
- Windows 7 (SP0-SP1)
- Windows Server 2008 R2 (SP0-SP2)
- Windows Vista Home, Business, Ultimate, Enterprise (SP0-SP2)
- Windows Server 2003 R2 (SP0-SP2)
- Windows XP (SP0-SP3)
- Windows 2000 Professional SP4
- Windows 2000 Server SP4
- MS-DOS 6.22 **
- Boot2Docker
- Red Hat Enterprise Linux (RHEL) 7, 6, 5
- CentOS Linux 7, 6, 5
- Fedora Linux 28, 27, 26
- Ubuntu 18.10, 18.04 LTS, 17.10, 16.04 LTS, 14.04 LTS, 12.04 LTS
- Debian GNU/Linux 9.4, 9, 8, 7
- Suse Linux Enterprise 15, 12 SP3, 11 SP3, 11 SP2
- OpenSUSE Linux 15, 42.3, 13.2, 13.1, 12.3
- Linux Mint 19, 18, 17
- Kali 2018.2, 2018.1, 2
- Elementary 5.0, 0.4
- Manjaro 17
- Mageia 6, 5, 4, 3
- Gentoo Linux **
- Solaris 11.3, 11, 10 **
- openBSD 6 **
- FreeBSD 11.1, 10, 10, 9, 8 **
- openVZ 7
- eComStation 2, 1.2 **
- ReactOS 0.4 **
- Android OS*
- macOS Mojave 10.14.x
- macOS High Sierra 10.13.x
- macOS Sierra 10.12.x
- OS X El Capitan 10.11.x
- OS X Yosemite 10.10.x
- OS X Mavericks 10.9.x
- OS X Mountain Lion 10.8.x
- OS X Lion 10.7.x
- OS X Lion Server 10.7.x
- Mac OS X Snow Leopard Server 10.6.x
- Mac OS X Leopard Server 10.5.x
- * — Only the one downloaded with help of Installation Assistant.
** — Parallels tools are not available for this operating system.