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When you search the message tracking logs on a Microsoft Exchange Server 2007-based server, the following message may be logged in the Application log:
Event Type: Warning Event Source: MSExchangeTransportLogSearch Event Category: General Event ID: 7012 Description: The following message tracking log file is corrupted: '<log file name>'. The corrupted record won't be included in the search results.
This issue occurs because the response from the remote SMTP server may include bare “CR” or bare “LF” characters. Exchange Server 2007 cannot appropriately handle these characters.
To resolve this problem, install Update Rollup 5 for Exchange Server 2007 Service Pack 1.
For more information about Update Rollup 5 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic: