Whenever I try to append several shapefile tables in ArcMap I receive a "read-only" error associated to the recipient file. Several 'sr.lock" files are generated associated to this failure and I cannot find how to eliminate them from the archives. Already tried turning off virus scan but still having the same problem.
I am using ArcMap 10.2.2 and trying to append 3 assessor's parcel shapefiles (with previously merged data) to one parcel shapefile, also with previously merged data. All merged data and field formats are the same for the four files. There are approx 200,000 observations per shapefile.
The shapefile tables maintain reference to the previously merged data using long field titles on some of the fields.