Database connections created in Release 10.1A cannot be used in later releases of Progress Developer Studio for OpenEdge. If you want to use a database connection created in Release 10.1A in this release of Progress Developer Studio for OpenEdge, it must be migrated using the database migration function. The other alternative is to re-create the database connection using the tools in the current release.
When you migrate database connections, Progress Developer Studio for OpenEdge extracts the old database connection property settings and creates a new database resource file using the existing connection information. The revised database connections are automatically mapped to the current project in the workspace. Old database property settings are removed for a project once it is migrated. Each project can only be migrated once.
To migrate database connections: