How to backup and restore the registry on Windows 2008 server ?
Before making any changes in the registry, please make sure to take the backup of the registry.
Backup the registry:
1. From the windows server, click Start >> Run >> Type regedit to open Registry Editor.
2. Click Computer in the Registry Editor.
3. Click File from the Registry Editor >> Export.
4. Enter the file name to save the backup file in appropriate location.
5. Click Save button.
Restore the registry:
1. From the Registry Editor, click File >> Import.
2. Locate the registry backup where you have stored and click "Open"
3. Restart the Windows server to use the restored registry.