DBConnect V2 indexing timestamp

I have DBConnect V2 running on SPlunk 6.3.1 and it was working fine until the new year. All records were indexing correctly pre 01/01/2016 00:00:00 but since then they are now indexing against 01/01/2015. I was alerted to this fact by a lack of records in the index and when i ran the following, I discovered them in 01/01/2015 index=app_agg source=Oracle sourcetype=LUW_VARIABLES_HOME latest=-10mon@mon | eval indextime=strftime(_indextime,"%Y-%m-%d %H:%M:%S") | where indextime>"2015-12-31 23:59:00" Any help would be most appreciated.