| Event Id | 1021 |
| Source | MSExchangeSRS |
| Description | Internal error: There was a problem retrieving data from the Site Replication service. Stop and restart this Microsoft Exchange Server computer and try again. |
| Event Information | There is an inconsistent state within the directory replication agent. Check network connectivity. Stop and restart the site replication service. If the error persists, stop and restart the Exchange server. |
| Reference Links |
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