| Event Id | 1278 |
| Source | MSExchangeMTA |
| Description | A locally-initiated %2 session-level transport connection to %4 was closed. Control block index = %1. [ %5%6%7%8] (8) |
| Event Information | According to Microsoft: EXPLANATION: A session-level transport connection initiated by this server was closed. USER ACTION: Look for other errors in the Event logs to try to determine the reason for the connection being dropped. |
| Reference Links | Exchange (MSExchangeMTA) |
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