| Details | |
| Product: | Exchange |
| Event ID: | 310 |
| Source: | MSExchangeMTA |
| Version: | 6.5.0000.0 |
| Message: | The transfer-out message timer expired on message %1, object %2. [%3%4%5%6] (10) |
| Explanation | |
| The transfer-out message timer expired on the message. A non-delivery report (NDR) will be generated for the message. | |
| User Action | |
| Figure out where the message was destined to and troubleshoot the network connectivity between the two servers. | |