Database backed up: Database:DBName, creation date(time): 2006/06/09(10:41:53), pages dumped: 1421098, first LSN: 110597:15214:2, last LSN: 110597:15725:1, number of dump devices: 4, device information: (FILE=1, TYPE=DISK: {'Z:\.....\.....\DUMPNAME1.DAT', 'Z:\.....\.....\DUMPNAME2.DAT', 'Z:\.....\.....\DUMPNAME3.DAT', 'Z:\.....\.....\DUMPNAME4.DAT'}).

BackupMedium::ReportIoError: write failure on backup device 'Z:\.....\.....\DUMPNAME4.DAT'. Operating system error 59(An unexpected network error occurred.).

Internal I/O request 0x07DE5A10: Op: Write, pBuffer: 0x08AE0000, Size: 131072, Position: 1722489344, UMS: Internal: 0x0, InternalHigh: 0x20000, Offset: 0x66AB1A00, OffsetHigh: 0x0, m_buf: 0x08AE0000, m_len: 131072, m_actualBytes: 0, m_errcode: 59, BackupFile: Z:\.....\.....\DUMPNAME4.DAT

BACKUP failed to complete the command BACKUP DATABASE DBName