| Event Id | 1647 |
| Source | Active Directory |
| Description | The Windows Directory Service failed to write schema version information on the schema container object during an inbound replication or schema FSMO role transfer operation. The error code returned is %1. If schema mismatch errors are reported in future replication attempts- please sync the schema NC again to force writing the schema version information. |
| Event Information | CAUSE: Active Directory failed to write schema version information on the schema directory partition during inbound replication or during a schema master role transfer.
RESOLUTION: If a schema mismatch continues to occur during replication attempts, synchronize the schema directory partition again to force an update of the schema version information. |
| Reference Links | Microsoft product: Windows Operating System Version: 5.0 Event Source: Active Directory Event ID: 1647 |