Problem: ArcMap runs out of memory after solving a large number of trace tasks
This problem is addressed in ArcGIS 8.1 Service Pack 1. See the Related Information section to download this pack.
After performing many network trace tasks in a single ArcMap session, ArcMap runs out of memory.
ArcMap fails to deallocate a small amount of memory after each trace task is performed. After solving hundreds of trace tasks in a single session, ArcMap runs out of memory.
Solution or Workaround
Download and install Service Pack 1.