When a batch delete job (> 10,000 row) is executed, only the first 1000 may execute. The remaining lines are dropped.
WORKAROUND
1. Re-run the same batch delete csv multiple times until all records are processed.
Issue resolved in 2.5.919. The latest version of TPAM Appliance can be downloaded at https://support.oneidentity.com/support_download/downloads.asp