Pretty much along the lines of Christa's answer, just a different opion.

Gewährleistungsverfolgung = Ab- und Übernahmen, Mängelerfassung und -verfolgung

"Warranty Tracking by IBES Corporation:
The Warranty Tracking module provides complete tracking, maintenance, and reporting on equipment under warranty. The module maintains a detailed service history on equipment repairs and provides failure reporting. Warranty Tracking may be used as a stand alone module or as part of the IBES comprehensive, fully integrated business software solution."