Content Component 25.4
Content Component Help

# Restore from a Backup File

To restore a data index to an Content component, you can send a DREINITIAL index action (case sensitive) from your Web browser, including the path to a backup file that you created by using the DREBACKUP index action.

TIP: You can also restore Content by using the `RestoreServer` ACI action.

    http://ContentHost:indexPort/DREINITIAL?Path=path

where:

`ContentHost` | is the IP address or host name of the machine on which Content is installed.
`indexPort` | is the Content index port (specified by the IndexPort parameter in the `[Server]` section of the Content configuration file).
`path` | is the path to the location of the backup, created by using the DREBACKUP index action. In Windows, you can use a Unicode path.

For example:

    http://12.3.4.56:20001/DREINITIAL?Path=E:\DataIndex_Backup

This action uses port `20001` to restore the files backed up on `E:\DataIndex_Backup` to a Content located on a machine with the IP address `12.3.4.56`.

If you create a backup by using the HostDetails parameter, you can restore these backups by using the HostDetails parameter with your DREINITIAL:

    http://ContentHost:port/DREINITIAL?Path=path&HostDetails=True

NOTE: When you restore from a backup by using DREINITIAL, Content does not reindex the data.

When you want to update a configuration parameter that requires you to reindex your data, you can use DREEXPORTIDX or DREEXPORTXML to export an IDX or XML file. You can then initialize your index, make your configuration changes, and index the IDX or XML file back into Content.

Related Topics

- Export IDX Documents from the Content component

- Export XML Documents from the Content component

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Content Component 25.4

Topic Title: Restore from a Backup File