A bootsector virus infected a Windows 2003 server. The server technician removed the virus using the latest antivirus software and then reboots the server. The server now fails to boot. The server tec

`diskpart` is used for managing disk partitions and volumes, not for repairing a corrupted Master Boot Record.

`bootcfg` is used to configure or repair the Boot.ini file, which specifies boot options for Windows, but it does not repair the Master Boot Record itself.

The `fixmbr` command in the Windows 2003 Recovery Console rebuilds the Master Boot Record, which is often corrupted by bootsector viruses and prevents the system from booting even after the virus files are removed. This command overwrites the existing MBR with a standard Windows MBR, resolving boot issues caused by a compromised boot sector.

`chkdsk` is used to check a disk for errors and attempt to recover data from bad sectors, but it does not address MBR corruption directly.