| Event Id | 1018 |
| Source | Active Directory |
| Description | Missing configuration parameter (%1). The Windows Directory Service database may be corrupted. Try to reinstall the software. |
| Event Information | Active Directory configuration information is missing from the registry location. Try to restore the registry information. If this error continues to occur, restore the local domain controller from backup media. |
| Reference Links | Monitoring AD Changes: Article |
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