System Requirements > Software Requirements > QXO Server Requirements
  
QXO Server Requirements
The following software must be present on the QXO server at the time of installation:
A complete Progress OpenEdge 10 (10.2B or higher) or 11 installation including the following components:
Enterprise RDBMS
OpenEdge Application SVR Enterprise
Client Networking
Java Runtime Environment (JRE), version 1.6 or higher