Error message when a Communicator 2007 user sends a message that contains only Japanese characters to Communicator 2005 users: "<Username> cannot receive message in the format you used"

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SYMPTOMS
Consider the following scenario:
  • Some Microsoft Office Communicator 2007 users invite some Microsoft Office Communicator 2005 users to participate in a conversation.
  • A Communicator 2007 user sends a message that contains only Japanese characters.
  • A Communicator 2007 user sends a message that has no Japanese characters. All participants receive this message.
  • A Communicator 2007 user sends a message that contains only Japanese characters.
In this scenario, the Communicator 2005 users do not receive the last message that contains only Japanese characters. Additionally, the Communicator 2007 users receive the following error message:
Username cannot receive message in the format you used; the message was not delivered: message
RESOLUTION

How to obtain the hotfix

This issue is fixed in the Communicator 2007 Hotfix Package that is dated April 30, 2008. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
951662 Description of the update for Communicator 2007: April 30, 2008
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Properties

Article ID: 949498 - Last Review: 01/14/2015 16:21:14 - Revision: 1.2

Microsoft Office Communicator 2007

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