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Q170628: MTG: MTA Error: Mailbag Truncated by Up_retries

Article: Q170628
Product(s): Microsoft Mail For PC Networks
Version(s): WINDOWS:3.5
Operating System(s): 
Keyword(s): kbusage
Last Modified: 30-OCT-1999

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The information in this article applies to:

- Microsoft Mail for PC Networks, version 3.5 
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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)

Additional query words:

======================================================================
Keywords          : kbusage 
Technology        : kbMailSearch kbZNotKeyword3 kbMailPCN350
Version           : WINDOWS:3.5
Issue type        : kbprb

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