# Configuration Change History

The Configuration Change History page tracks changes made to the configuration of all connected readers and shows changes in a customized fashion. The window displays the Device tree with available grouped and standalone readers. The page automatically links configurations with the respective usernames.

Configuration Change Actions

Icon | Action
--- | ---
| Selected checkbox
| Download Configuration File
| Restore Configuration

- Click the checkbox from the list in the left side of the rows to select a configuration.
- Click the Download Configuration File to download the selected Configuration files.
- Click Restore Configuration to revert to a previous configuration.

  - After clicking Restore Configuration enter your password and click Restore to revert configuration. Click Cancel to leave the popup window without restoring the selected configuration.

Dashboard overview:

Item | Description
--- | ---
Compare Configurations button | Select 2 checkbox to enable the button. Click the button to see configuration changes in a pop-up window.For more information see
Date & Time Range Filter | Use the time range to define a period of time from which performance data is collected for the charts. For more information see Date & Time Range Filter
Configuration tables | List of readers and groups available for comparison.

Note: Changes made from Dataman Setup Tool are labeled as admin changes.

Column Name | Description | Display
Date and time | Date and time of the configuration change. |
Device name | Name of the reader on the network. |
Username | Name and type of the user who made the configuration change. |