Hi It supports
PC Operating System Versions
The English edition of Cisco SDM 2.4.1 supports operation on the following operating systems:
?Microsoft Windows XP Professional
?Microsoft Windows 2003 Server (Standard Edition)
?Microsoft Windows 2000 Professional with Service Pack 4
Localized editions of Cisco SDM 2.4.1 support operation on the following localized operating systems:
?Microsoft Windows XP Professional with Service Pack 2 or later
?Microsoft Windows 2000 Professional with Service Pack 4 or later
Make sure service pack on your system.
http://www.cisco.com/en/US/products/sw/secursw/ps5318/prod_release_note09186a0080881a96.html#wp98305
Regards,
Dharmesh Purohit