- Click the tool palette drop-down arrow on the Utility Network Analyst toolbar and click a flag tool button ( or ).
- Click to place at least one flag on each connected component in which you want to find the loops.
- Click the Trace Task drop-down arrow and click Find Loops.
- Click the Solve button .
For each connected component on which you placed a flag, the features that loop back on themselves (that is, can't be reached from more than one direction) are displayed.