Windows NT Backup Control Skip Wait or Skip Open Files

You can use the following to speed up tape backups. To control how long Windows
NT’s NTBackup program waits on an open file or skips open files, set the
following Windows NT registry hacks: Hive: HKEY_CURRENT_USER
Key: Software\Microsoft\Ntbackup\User

Name: Wait

Type: REG_SZ
Value: 30sec=default range=1-65535sec

Files That Are Skipped by Default by Windows NT Backup:

  • Files you do not have permission to read. Only those with backup rights can
    copy files they do not own in Windows NT Backup.
  • Files that are temporary in nature–such as PAGEFILE.SYS, WIN386.SWP,
    386SPART.PAR, BACKUP.LOG, and RESTORE.LOG–are neither backed up nor restored by
    Windows NT Backup. The list of skipped files is hard-coded into Windows NT
    Backup and cannot be changed.
  • Registry files on remote computers. Windows NT backs up only local registry

The above parameter controls how long to wait. The following key determines
whether to skip the above files or wait.


Name: Skip open

Type: REG_SZ
Value: 0
do not skip files, wait
Value: 1
skip files that are opened
Value: 2
wait on open files for “wait time”

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