| Details | |
| Product: | Exchange |
| Event ID: | 340 |
| Source: | MSExchangeMTA |
| Version: | 6.5.0000.0 |
| Message: | The MTA is stopping in response to an operator stop command. [valuevaluevaluevalue] (16) |
| Explanation | |
| The message transfer agent (MTA) service is stopping. | |
| User Action | |
| Start the message transfer agent service. | |