| Event Id | 2025 |
| Source | MSExchangeIS Private |
| Description | Transport Delivery The delivery of a message failed due to error 80004005. A non-delivery report is being sent to the messages originator. |
| Event Information | An Outlook 8.0x or Outlook 8.5 client running on Windows NT 4.0 Workstation with language settings set to an East European language gets a non-delivery report (NDR) when sending to Exchange. The Outlook client is connected to a Microsoft Mail postoffice, and the postoffice is connected to Exchange using the Microsoft Mail Connector, as follows: Outlook -> Postoffice -> Microsoft Mail Connector -> Exchange Server 5.5 The this event id along with 1026 & 290 from MSExchangeMTA will be logged in Windows NT Application Event log. RESOLUTION : To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. |
| Reference Links | NDR on Message from Outlook via Microsoft Mail Connector Public Folder Object Is Not Found in the Directory Events 2028 and 290 from Messages Sent by a Public Folder Store Fails to Deliver Auto-Generated Messages from X.400 Service Provider |
Catch threats immediately
We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.