Aimses.cfg specifies default Spatial Server settings for Extract Server and is located at:
Windows: <ArcGIS Installation Directory>\ArcIMS\Server\etc
UNIX and Linux: $AIMSHOME/etc
The following settings can be changed:
The number of pooled ArcIMS Server instances connecting to one ArcSDE connection. For more information see Setting connection parameters for ArcSDE. Recommended value is 1.
Maximum size of the returned zip file in kilobytes. The default value is no upper limit. For more information, see Changing the maximum output file size for data extraction.
After making any changes to this file, you must restart ArcIMS Monitor and ArcIMS Application Server.