Server operating systems supported by Acronis Backup & Recovery Online:
Windows 2000 SP4 – all editions except for the Datacenter and Professional editions
Windows Server 2003/2003 R2 – Standard and Enterprise editions (x86, x64)
Windows Small Business Server 2003/2003 R2
Windows Server 2008 – Standard, Enterprise, Datacenter, and Web editions (x86, x64)
Windows Small Business Server 2008
Windows Server 2008 R2 – Standard, Enterprise, Datacenter, Foundation, and Web editions
Windows MultiPoint Server 2010/2011
Windows Small Business Server 2011 – all editions
Windows Server 2012/2012 R2 – all editions
Windows Storage Server 2003/2008/2008 R2/2012
Workstation operating systems supported by Acronis Backup & Recovery Online:
Windows 2000 Professional SP4
Windows XP Professional SP2+ (x86, x64)
Windows Vista – all editions except for Vista Home Basic and Vista Home Premium (x86, x64)
Windows 7 – all editions except for the Starter and Home editions (x86, x64)
Windows 8/8.1 – all editions except for the Windows RT editions (x86, x64)
Virtualization products supported by Acronis Backup & Recovery Online (host-based backup of virtual machines):
VMware ESX Infrastructure 3.5 Update 2+
VMware ESX(i) 4.0, 4.1, 5.0, 5.1, and 5.5
(Host-based backup is available only for paid licenses of VMware ESXi.)
Windows Server 2008 (x64) with Hyper-V
Windows Server 2008 R2 with Hyper-V
Microsoft Hyper-V Server 2008/2008 R2
Windows Server 2012/2012 R2 with Hyper-V
Microsoft Hyper-V Server 2012/2012 R2