The skip file-in-use option is used to specify those files that are commonly in use by other programs and will not be accessible. The agent will be aware of these files and will not flag this as an error.
Otherwise, files that are in use because they are accessed by other programs are flagged as an error resulting in a failed backup.
Regardless of what settings are chosen, files that are not accessible due to disk blocks, permissions, or any other reason than being in use by other programs continue to be flagged as error.
If using the ODM (Open File Data Manager), all files that are in use by other programs can be accessed and thus are backed up without difficulty. In this case, select the choice labeled No files below. A valid license must be obtained to use the Open File Data Manager and can only be used for Windows 2000 computers.
All files: If this option is enabled, the agent is aware of these files and will not flag them with an error.
Files selected from list below: If this option is enabled, files that are in use because they are accessed by other programs will be flagged as an error resulting in a failed backup.
No files: If you are using ODM (Open File Data Manager), all files that are in use by other programs can be accessed and thus are backed up without difficulty.