There are many files located in the c:\ Micronet\binary\vcommon folder with names like: 20101024.AEH to 20121119.AEH, they
vary in size between 1 kb to 750Mb. What are these files and why are they filling the hard drive?
The file type *.AEH stands for Alarm Event Handler and is the Wonderware Logger (WWLogger) file. The WWLogger file contains information about an application, including InTouch error and warning messages.
PIB – 00.07.10-3 lists the historical files that can be safely deleted from MicroNet View to conserve space or before backing up the site.