| Event Id | 1021 |
| Source | MSExchangeMU |
| Description | Failed to modify identifier <attribute name> on metabase key with path <path>. Error code is <error code>. |
| Event Information | The Metabase Update agent failed to update an attribute in the Metabase. This may be a temporary error. If so, the Metabase will eventually recover from this error and the Metabase Update agent will update the Metabase properly.No user action is required. |
| Reference Links | Microsoft product: Exchange Version: 6.0 Event Source: MSExchangeMU Event ID: 1021 |
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