When you try to create, copy, or move a file from two logical units, you cannot copy or move some files by using specific security settings on a computer that is running any version of a Microsoft Windows operating system.
Error: Access denied
To work around this problem, use one of the following methods:
• Use a staging server and an automatic script. For example, you can use a staging server that has robocopy in the notification mode. • Write a Windows Explorer extension to copy or paste a specific set of permissions to the files. For example, you can use the backup API instead of the FileCopy API.