Symptoms

Consider the following scenario:

  • You apply Update Rollup 4 for Exchange Server 2010 Service Pack 1 (SP1) in a Microsoft Exchange Server 2010 environment.

  • You create a journaling mailbox.

  • An email message is sent to a journal recipient. The email message contains unsupported character sets, such as the ISO-2022-JP-2 character set.

In this scenario, the email message and the non-delivery report (NDR) message remain in the delivery queue on the Exchange Server 2010 Hub Transport server. Additionally, you receive the following error message in the Queue Viewer tool:

400 4.4.7 The server responded with: 550 5.6.0 CAT.InvalidContent.Exception: InvalidCharsetException


You receive the error message if one of the following conditions is true:

  • You create a journal rule to enable journaling for the email messages that are sent to the journal recipient. The rule sends journal reports to the journaling mailbox.

  • You configure the journaling mailbox to forward email messages to another mailbox.


Cause

This issue occurs because the Exchange server generates a new message for forwarding which does not inherit a certain property from the original message. Therefore, the Exchange server does not process the message.

Resolution

To resolve this issue, install the following update rollup:

2785908 Description of Update Rollup 5 version 2 for Exchange Server 2010 Service Pack 2

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about a similar issue that occurs before you install Update Rollup 4 for Exchange Server 2010 SP1, click the following article number to view the article in the Microsoft Knowledge Base:

2394554 An email message is not delivered if it contains unsupported encoded characters in the subject line in an Exchange Server 2010 environment

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