Microsoft KB Archive/264331

= PC Ext: PC Mail Error Message: [001] Unable to Deliver =

Article ID: 264331

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Mail for PC Networks 3.5
 * Microsoft Mail for PC Networks 3.5

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This article was previously published under Q264331



SYMPTOMS
You receive the following error message:

[001] unable to deliver.

Missing mailbag when sending to ffapi PO from XCHG



CAUSE
There is a corrupted Inqueue3 mailbag on the receiving hub post office. External is unable to open or write to the inbound mailbag on the hub post office. This problem can also be caused by a missing or corrupted outbound mailbag for the ffapi post office on the hub Microsoft Mail post office.



RESOLUTION
To resolve this problem:  Stop all message transfer agents (MTAs) that are running against the affected post office. Use the steps in the following Microsoft Knowledge Base article to reset the inqueue3 key and mbg pair. These files are found in the Mbg and Key subfolders of the Maildata folder and must be reset together.

104279 Creating or Resetting a .KEY and .MBG Pair



Additional query words: mail flow

Keywords: kbprb KB264331

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