One potential issue: make sure that the information map "task" is running on the same logical server relative to the source data.
Background: information maps contain source tables, and source tables are within SAS libraries, and SAS libraries are associated with a SAS server (for example, "SASMain").
The information map library engine (used by EG) performs best when run on the same server as where the source data libraries are defined. If you use a different server (for example, "Local"), your data must pass through an extra server connection.
In EG 4.1, you can help control which server is used by setting your default server to the proper server within Tools->Options->Administration.
Chris