The Windows Client is supported and has been tested in all these Windows releases:
Microsoft Windows XP
Edition: Professional
Revisions: SP1, SP2, SP3
Microsoft Windows 2003, R2
Editions: Standard, Enterprise, Data center
Revisions: SP1, SP2
Microsoft Windows Vista
Editions: Business, Ultimate, Enterprise
Revisions: SP1, SP2
Microsoft Windows 7
Editions: Business, Ultimate, Enterprise
Revisions: SP1
Microsoft Windows 2008, R2
Editions: Standard, Enterprise, Data center
Revisions: SP1, SP2
Microsoft Windows 8
Editions: Professional, Ultimate, Enterprise
Microsoft Windows 2012
Editions: Standard, Enterprise, Data center