Message Tracking problem in Exchange 2016

Dear Wizards, I got this EventID when tracking the mail from Sender to Recipient in the same domain: (MS Exchange 2016)

Timestamp              EventId          Source        Sender                Recipients            MessageSubject       
---------              -------          ------        ------                ----------            --------------       
4/13/2018 11:31:02 AM  HAREDIRECTFAIL   SMTP  {} FW: LAM    
4/13/2018 11:31:03 AM  RECEIVE          SMTP  {} FW: LAM  
4/13/2018 11:31:03 AM  AGENTINFO        AGENT  {} FW: LAM     
4/13/2018 11:31:03 AM  SEND             SMTP  {} FW: LAM  

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What is HAREDIRECTFAIL ? In this log, can we confirm that the message was delivered or not? If not, how can we confirm that? Many thanks!
DP230Network AdministratorAsked:
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timgreen7077Exchange EngineerCommented:
HAREDIRECTFAIL -  is A shadow message failed to be created. The details are stored in the source-context field.
This doesn't stop the mail from being successfully delivered. Its just a redundant copy of the original message but delivery doesn't depend on that.
Jason CrawfordTransport NinjaCommented:
You can't tell from the data you're providing although it does look like a successful handoff to the recipient server.  You should add RecipientStatus to your output so you can verify a 250 response was generated for the SMTP Send event.

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Jason CrawfordTransport NinjaCommented:
Glad I could help.  Take care :)
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