In XenApp and XenDesktop, very large files that have a file size greater than 4GB are not supported with Client Drive Mapping.
For Example, when viewing a file which is greater than 4GB using a published Windows Explorer instance in a XenApp Client Mapped Drive, file size will be incorrectly displayed.
The following error message might appear:
“The file <filename> is too large for the destination file system”
When copying a file with file size greater than 4GB using a CDM mapped drive, the file is partially copied, resulting in an incomplete target file being written.