Repair settings.php From Online Manual
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The Repair Settings Tool (repair_settings.php) can be used to repair some of the most crucial settings on your forum, such as database information, file paths, and URLs. The tool can be used to repair an SMF installation sufficiently enough so that an administrator can then log in and fix any other problems.
Backup first! - Using this tool should not cause any problems, but it is always better to make a backup, just in case.
Download the Repair Settings Tool
You can download the Repair Settings Tool (repair_settings.php) from the tools section of the SMF Downloads center: repair_settings.php.
Using the Repair Settings Tool
Upload the file repair_settings.php with an FTP client to the root directory of your forum (where Settings.php can be found). Navigate with your browser to your usual forum URL, but instead of yoursitename/index.php, direct your browser to yoursitename/repair_settings.php.
For example, if your forum is in the root directory of your site, and your site is at www.example.com you need to go to: http://www.example.com/repair_settings.php. If it is located in a sub-directory named, for example forum, you need to go to: http://www.example.com/forum/repair_settings.php.
ATTENTION: The repair_settings.php tool displays sensitive information about your server setup, namely the database user and password. Make sure that you delete it once you have finished the maintenance!
Settings that can be repaired
In most cases, the Repair Settings Tool can detect the correct value for each of the fields and settings listed below. The tool will display a link under each item with a recommended value; clicking these links will update the corresponding text box fields with the recommended value. If you want the recommended value to be used for all of the settings on the page, scroll down to the bottom of the page and click on the link Restore all settings. Be careful though, because SMF will not always guess the values correctly if the server is configured unusually.
- Maintenance Mode - You can choose to turn maintenance mode on or off for your forum, and it is also possible to make your forum completely unusable (inaccessible even to administrators).
- Language File - This changes the language of your forum.
- Cookie Name - This changes the name of the cookie that your forum creates for the user's browser.
- Queryless URLs - Turns the use of queries in the forum's URLs on and off (../index.php/topic,1.0.html compared to ../index.php?topic=1.0). In the Admin Center, this setting is referred to as Search engine friendly URLs.
- Output Compression - Turns output compression on and off.
- Database driven sessions - Sets whether sessions are managed by the database.
- Set SMF default theme as overall forum default for all users - This will override the theme preference in the profiles of all users.
This section includes all of the typical settings that are needed to connect to the database of your forum:
- Database name
- Table prefix
- Connection Type (Standard or Persistent)
If you are unsure about any of the above settings, please contact your host.
Paths & URLs
In this section, you can check that the directory paths and URLs are set correctly for your forum:
- Forum URL
- Forum Directory
- Sources Directory
- Attachment Directory
- Avatar URL
- Avatar Directory
- Smileys URL
- Smileys Directory
For more information on each of the settings above, please see Server settings.
Paths & URLs for Themes
This section enables you to check that the directory paths and URLs are correct for the default theme as well as for any other themes that you have installed.
The Repair Settings Tool will allow you to keep your custom theme as default and not reset to the default theme, unless you select the option Set SMF default theme as overall forum default for all users, which is found in the Critical Settings as mentioned above.
The following options appear at the bottom of the page when using the Repair Settings Tool:
- Restore all settings - This changes all the settings to the recommended values, which saves you the effort of clicking on each individual link for the recommended values (as found below each setting). As mentioned above, there is no guarantee that the tool will detect all of the correct settings, so you should use this button with caution.
- Remove this file. Careful, it may not work in all servers! - If you click this button, the tool will attempt to delete the file repair_settings.php in the root directory of your SMF installation. This is for security reasons. You might have to delete the file manually with your FTP client, though.
- Save Settings - Don't forget to click on this button in order to save the changes that you have made.
If you are using a different set of database details (perhaps due to moving your forum, or because you are trying to set up a secondary or test forum), make sure you use the Repair Settings Tool in the following order:
- Run the Repair Settings Tool and make changes only in the database section. You must save the updated database settings before you do anything else.
- Run the Repair Settings Tool again. Now you can adjust the directory paths and URLs for your forum.
It is important to use the tool in the above order because some of the directory paths and URLs (such as those for attachments, avatars, and smileys) are stored in the database. This means that if you attempt to change these paths and URLs before you have reset your forum to use the new database, you will in fact be making changes to the old forum database.