Question : Outlook Exchange send error

I have a user reporting that occasionally Outlook will stall sending messages.  Messages will continue to come in, but once a single message stalls all messages just sit in the outbox until Outlook is restarted and then the user must go into the outbox and right click on each message and choose Send.  I had the user enable logging and below is the portion of the log that speaks of the error, but I can't find anything in Google about it.

2007.01.30 19:20:10 MAPI Status: (IN -- ---/OUT fl ---)
2007.01.30 19:20:10 MAPI XP Call: SubmitMessage, hr = 0x80040115
2007.01.30 19:20:10 MAPI XP Call: HrMessageDone is requeuing the task that failed with hr = 0x80040115 with priority = -5.
2007.01.30 19:20:10 Sending done, Error code = 0x00000000
2007.01.30 19:20:10 MAPI Status: (-- -- ---/--- fl ---)
2007.01.30 19:20:10 MAPI Status: (-- -- ---/--- -- ---)
2007.01.30 19:20:10 Finishing the Spooling Cycle, Error code = 0x80040115
2007.01.30 19:20:10 FINISHED MAPI TASK
2007.01.30 19:20:10 Microsoft Exchange: ReportStatus: RSF_COMPLETED, hr = 0x80040115
2007.01.30 19:20:10 FINISHED MAPI TASK
2007.01.30 19:20:10 Microsoft Exchange: ReportStatus: RSF_COMPLETED, hr = 0x80040115
2007.01.30 19:20:10 Microsoft Exchange: Synch operation completed
2007.01.30 19:20:10 Microsoft Exchange: Synch operation dequeued (flags = 00000001)
2007.01.30 19:20:10 Microsoft Exchange: Synch operation started (flags = 00000001)
2007.01.30 19:20:10 Microsoft Exchange: UploadItems: 2 messages to send
2007.01.30 19:20:10 EXECUTING Put MAPI TASK
2007.01.30 19:20:10 EXECUTING Put MAPI TASK
2007.01.30 19:20:10 Starting the Spooling Cycle
2007.01.30 19:20:10 MAPI XP Call: FlushQueues, hr = 0x00000000, ulFlushFlags = 0x0000001a
2007.01.30 19:20:10 Starting the Simplified Transfer Cycle
2007.01.30 19:20:10 Finishing the Spooling Cycle, Error code = 0x80040115
2007.01.30 19:20:10 FINISHED MAPI TASK
2007.01.30 19:20:10 Microsoft Exchange: ReportStatus: RSF_COMPLETED, hr = 0x80040115
2007.01.30 19:20:10 FINISHED MAPI TASK
2007.01.30 19:20:10 Microsoft Exchange: ReportStatus: RSF_COMPLETED, hr = 0x80040115
2007.01.30 19:20:10 Microsoft Exchange: Synch operation completed

Answer : Outlook Exchange send error

Have you tried a office repair?