The computer running Exchange Server is missing a file necessary for
decoding message tracking information from the Message Transfer Agent
(MTA).
See
161935�
"XADM: Message Tracking Error 5007 Caused by Missing *.Arc
Files"for more details.
The Exchsrvr\Tracking.log directory may be filled with thousands of
ASNxxxx.tmp files, and the Acse.arc file may be missing from the
Exchsrvr\Bin directory of the Exchange Server computer. This undoubtedly is
the cause of the Event 5007 errors.
The Event 2011 errors are most likely caused by invalid data being written
to the message tracking log. This data, when parsed, causes the System
Attendant to hang, which halts all other Exchange Server services,
including the information store, which is the actual source of the error.