Files are written to a temporary folder and not deleted after completing an OD cost matrix request to a network analyst service when ArcGIS for Server is run by the Network Service account.
Last Published: October 14, 2014ArcGIS for Server
Bug ID Number
September 26, 2014
March 30, 2022
ArcGIS for Server
After review by the development team, it has been determined that this issue is related to a known limitation with the software that lies outside of Esri's control. The issue's Additional Information section may contain further explanation.
This is a known limitation in 10.1 that has been addressed in 10.2 and 10.3.