Getting Started > Upgrading to CitectSCADA v7.20 > Troubleshooting > Upgrading a Project that uses Distributed Servers
Upgrading a Project that uses Distributed Servers

If you have implemented clustering in Version 6.x using Distributed Servers, a Global Include Project, and Cluster Projects, configure your project to use clustering in version 7.0.

The existing structure of the Global Display Project and Cluster Projects can remain the same (that is, the Global Display Project includes each of the Cluster Projects).

The following points describe a recommended project structure for clustering in version 7.0: