Japanese DBCS characters are corrupted when you reply to a message or forward a message in an Exchange Server 2010 SP1 or SP2 environment

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Article ID: 2642153 - View products that this article applies to.
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Symptoms

Assume that you are using a Microsoft Office Outlook client to reply to a message or to forward a message that is sent from a Microsoft Exchange Server 2010 Service Pack 1 (SP1) or Exchange Server 2010 Service Pack 2 (SP2) environment. In this situation, Japanese double-byte character set (DBCS) characters that appear in any of the following fields of the message become corrupted:
  • The display name of the sender
  • The display name of the recipients
  • The subject of the message
  • The file name of an attachment
  • The message body
This issue occurs if the field contains single-byte Kana characters.

Note This issue also occurs in posted items in public folders.

Cause

This issue occurs because the value of the PR_INTERNET_CPID MAPI property of the message is stamped as 50222 by Exchange RPC Client Access service or Outlook Web App (OWA). Because of a restriction in Outlook, the code page 50222 characters are corrupted.

Resolution

To resolve this issue, upgrade your Exchange Sever 2010 to SP2 and then install the following update rollup: 
2661854 Description of Update Rollup 2 for Exchange Server 2010 Service Pack 2
After you install this update rollup, you must change the value of the PreferredInternetCodePageForShiftJis parameter to 50220 in Exchange Management Shell. To do this, follow these steps:
  1. Click Start, click All Programs, and then click Microsoft Exchange Server 2010.
  2. Click Exchange Management Shell to open it.
  3. In the Exchange Management Shell window, type the following, and then press Enter:
    Set-OrganizationConfig -PreferredInternetCodePageForShiftJis:50220
  4. In the Exchange Management Shell window, type the following, and then press Enter:
    Get-RemoteDomain | Set-RemoteDomain -PreferredInternetCodePageForShiftJis:50220


Note The PreferredInternetCodePageForShiftJis parameter is only available after you install Update Rollup 2 for Exchange Server 2010 Service Pack 2.

Workaround

To work around this issue, do not use single-byte Kana characters in the ISO-2022-JP encoded message. For example, you can use UTF-8 encoded characters in the message instead.

Status

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

Properties

Article ID: 2642153 - Last Review: September 19, 2014 - Revision: 5.0
Applies to
  • Microsoft Exchange Server 2010 Service Pack 2, when used with:
    • Microsoft Exchange Server 2010 Enterprise
    • Microsoft Exchange Server 2010 Standard
  • Microsoft Exchange Online
Keywords: 
kbqfe kbfix kbsurveynew kbexpertiseinter o365022013 o365 o365a o365e o365m hybrid KB2642153

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