The send file support is not available when NCP encryption is set to enable or enforce. So ensure to set SENDFILE_SUPPORT=0, else the file and folder copy operations fail between:
The mapped drives
The mapped drives and local machine and vice versa
If you right-click on any file or folder and select OES Copy from Windows Explorer, the OES File Copy Utility does not display the complete path of the selected file or folder. Instead, it only displays the drive name. Because of this issue, the performance of OES Copy utility is reduced.
For greater than 4 GB of data transfer, OES File Copy: Copying Files notification window displays file size as 41943003KB. OES File Copy, however, completes the data transfer with actual file size.
OES File Copy utility works fine with all volumes expect DFS junction volume.