| Event Id | 7436 |
| Source | BizTalk Server 2004 |
| Description | The message signature is invalid or absent. The message could not be authenticated. Destination: %1 |
| Event Information | According to Microsoft: Cause: The message was dropped by destination because it failed to authenticate. User Action : Ensure that the correct authentication level is requested. Messages must be sent using the correct credentials. The senders security certificate must be published in Active Directory and must be accessible to the message receiver. |
| Reference Links | The message was dropped by destination because it failed to authenticate |
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