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Event ID: 1030 Source: MSExchangeTransport

SMTP completed authentication but could not determine the account name or security identifier (SID) for the following reason: The trust relationship between this workstation and the primary domain failed.
According to TB218230 this event indicates that inbound authentication on a Receive connector was completed, but the account name or security identifier (SID) could not be determined. The reason for the problem is specified in the error message text.

The recommended actions are:
- Verify that the Receive connector has the correct permission groups assigned to it to correctly receive inbound messages.
- Verify that the Receive connector and any remote hosts are configured with the correct credentials and required certificates.

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