Microsoft KB Archive/170628

= MTG: MTA Error: Mailbag Truncated by Up_retries =

Article ID: 170628

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Mail for PC Networks 3.5

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This article was previously published under Q170628



SYMPTOMS
Mail delivery fails and the Session.log of External shows similar entries:

A Critical error has occurred

Data: Error Code~0c, Device Error _14

Mailbag truncated by up_retries

Mail transfer failed.



CAUSE
There is a problem accessing the postoffice because External has failed to read from disk possibly because of a network connection problem. The error "mailbag truncated by up_retries" means External had a problem at the time it was processing mail in the referenced mailbag. These errors together suggest a failure in the network connection.



RESOLUTION
A network trace may be necessary to pinpoint the connection failure. There is a short-term workaround that works with the MS-DOS MTA only. A setting in the External.ini will allow External to restart when it encounters a critcal error. The setting is:

ReBootOnce

This is not a fix but can be used as a workaround until the cause of the problem can be determined and resolved.



MORE INFORMATION
External will return an error generated by Interrupt 24h in MS-DOS (Critical-Error Handler).

The "device error = c" means "general failure". Here is the list of other possible values:   code  meaning ---  00h   write-protected disk 01h  unknown unit 02h  drive not ready 03h  invalid command 04h  data error (CRC) 05h  bad request structure length 06h  seek error 07h  non-DOS disk 08h  sector not found 09h  printer out of paper 0ah  write fault 0bh  read fault 0ch  general failure 0fh  invalid disk change (dos 3 & later)

Keywords: kbprb kbusage KB170628

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