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Event ID: 756 Source: SMTPSVC

Source
Level
Description
The description for Event ID ( 756 ) in Source ( smtpsvc ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. The following information is part of the event: 5.1.1, rfc822;<email address>, <NSYFkuutSgcOrBLSAQV00000026@ns.domain.com>.
Comments
 
The description of this event should be similar to event 756 recorded by MSExchangeTransport. SMTPSVC service does not properly register its event message dll.
Associated with 4000 and 4001 events, this event is generated whenever a bad SMTP address is sent out by, or received by the server. This happened following a server crash and rebuild. The server had previously been configured with Exchange SP3, but the recovery team forgot to reinstall it following system rebuild. Re-application of SP3 seemed to fix the problem.

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