Please note contained in the article are Supported Platforms for Sage MAS 90 ERP Version 4.40 Supported Platform Matrix:
Workstations supported include Windows 7 (32 and 64 bit) Professional, Enterprise and Ultimate.
Not Supported Windows peer-peer networks, Windows 7 Home Basic and Windows 7 Home Premium editions are not supported.
For a full listing of the Supported Platform please see the attached link.