| Event Id | 756 |
| Source | MSExchangeTransport |
| Description | A non-delivery report with a status code of 5.1.1 was generated for recipient rfc822;invaliduser@domain.Microsoft.com (Message-ID <0FB715BD096DD848A6244CEE8FDA04D6026492@servername.domain.microsoft.com>). Data: 0000: 46 05 04 80 F..€ |
| Event Information | This event ID message allows Exchange 2000 administrators to monitor the number of non-delivery reports (NDRs) generated by the SMTP transport protocol. You can perform this operation after you apply Service Pack 2 (SP2) or later to an Exchange 2000 computer. To configure SMTP transport to log an event ID 756 message: Click Start, click Programs, click Microsoft Exchange, and then click System Manager. Browse to the following location: Organization/Administrative Groups/Administrative_Group/Servers 1) Right-click the applicable server, and then click Properties. 2) Click the Diagnostics Logging tab, and then click MSExchangeTransport under Services. 3) Click Connection Manager, and then click Maximum. 4) Click Apply, and then click OK. |
| Reference Links | How to Configure SMTP Transport to Log an Event 756 to Track Non-Delivery Reports |
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