Or upgrade to a newer version of NCM and get the config archaive maintenance job by default:
Image may be NSFW.
Clik here to view.
I don't remember in wich version exactly we added this job, but I think it would be 7.2.
Please also note that NCM 7.0.2 and older is not going to be supported anymore from September 2015. See Currently Supported Software Versions.
Jiri
