Both VssCopyBackup and VssFullBackup cannot be specified. Choose to create VSS full backups if you are not using any other ...

Both VssCopyBackup and VssFullBackup cannot be specified. Choose to create VSS full backups if you are not using any other product to back up applications. This option updates the backup history of each file and clears the application log files. Choose to create VSS copy backups if you are using another product to back up applications that are on the volumes included in the backup. This option retains the application log files.