Microsoft Windows 2003 and Windows XP are no longer supported.
Tue, 28 July 15
Update 21st July:
Windows 2003 and Windows XP operating systems are vulnerable to the Windows critical bug https://technet.microsoft.com/library/security/MS15-078. These operating systems are no longer supported by Microsoft and as a result PCs running these operating systems are a security risk and any data stored is not adequately protected.
Previous announcement: Microsoft end of support for Windows 2003
Any servers running Windows 2003 after the 14th of July are a security risk and their data will not be adequately protected.
For more information see here