ER/Studio Repository - Server System Requirements

OS: Windows Server 2003 (32-bit mode) , Windows XP, Windows Server 2008 (32-bit and R2 64-bit*), Windows Vista
Minimum Pentium IV-class processor or higher
Minimum 50MB hard disk storage for installation required
Databases: SQL Server 2000, 2005, 2008, Oracle 9i-11g, DB2 LUW 8.x-9.x, Sybase ASE 12.x or 15.x
Native Client DBMS Utilities for DBMSs indicated above
Suggested 2 GB RAM

*For 64-bit configurations, the 32-bit database client libraries are required.