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# Restore to a Time

To restore your index to a particular time, you can send a `DREINITIAL` index action (case sensitive), and set the `RestoreToTime` parameter.

    http://IDOLhost:indexPort/DREINITIAL?RestoreToTime=Time

where:

`IDOLhost` | is the IP address or host name of the machine on which IDOL Server is installed.
`indexPort` | is the IDOL Server index port (specified by the `IndexPort` parameter in the `[Server]` section of the IDOL Server configuration file).
`Time` | is the time that you want to restore to. For a list of available time and date formats, see Date formats .

When you restore to a time, IDOL Server:

- restores to the latest backup from before the specified time.

- runs any archived index actions from between the backup time and the specified restore time. If you have not configured an `ArchivePath`, the index remains in the backup state.

To find out which backup file IDOL Server would use to back up to a particular time, use the `GetBackupData` action, with the `GetBackupForRestoreTime` parameter. See Return a List of Backup Files.

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