こんにちは
Unified CM 10.5.2 では BAT の問題が多く、ざっと見ただけで少なくとも下記の BAT 関連の不具合がありました（今回と関係なさそうなのも含めてます）。もし可能であれば DB レプリケーションや再起動をお試しになった後に、最新バージョンにアップグレードしていただくことを推奨します。
ログの解析が必要な場合、Cisco Bulk Provisioning Service を Debug レベルにして再現させ、詳細な再現ステップとともにケースオープンしてください。
ご参考
CSCuu63399 Server Time Displayed in UTC Format in BAT scheduler page
CSCuv85926 CUCM back up file _UCM_BAT.tar has encryption key in plain text
CSCuy42493 Data on CCMAdmin and BAT export are different
CSCuy19831 BAT - Export Phones - Select/All Details Hangs
CSCuy01919 Bulk Export Line Group from BAT Display Incorrect Total Numberof Records
CSCuw53630 BAT not handling universal Phone Security Profile properly
CSCuv07151 Emport/export issue when BLF is configured on the phones
CSCuv23626 Unable to export large number of data in BAT.
CSCuv02113 BAT issue after exporting UDP, it skips Busy Lamp field 1
CSCuu51723 BAT job for Phone export fails while querying ASCII label
CSCuu12435 BAT does not insert CFA CSS and destination (Part 3)
CSCuu09573 BAT does not insert CFA CSS and destination (Part 2)
CSCur65914 BAT Import failes with max number of connections error
CSCut76807 Export DN shows pkid's instead of the proper names for CSS
CSCut56037 Phones Export and Import issue, mismtch in tables
CSCut52574 Service profile blank page after a BAT import
CSCur99180 BAT not modifying Route Patterns using Import
CSCut44137 Unable to import IP Phones by BAT when Extension Mobility is subscribed
CSCus83367 BAT- Error when trying to update values for slots of VG350 SCCP gateway
CSCus97421 BAT does not insert CFA CSS and destination
CSCus91571 BAT fails to modify E.164 alternate number mask
CSCus44838 Inserting RD through BAT fails with A subquery returned more than 1 row
よろしくお願いします。
