Article ID: 2555850 - Last Review: September 13, 2011 - Revision: 2.0

You cannot delete an Outlook mailbox folder that begins with a special character in its name in an Exchange Server 2010 environment

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SYMPTOMS

Consider the following scenario:

You create a folder by using Microsoft Outlook that is running in online mode in a Microsoft Exchange Server 2010 environment.
The folder name begins with a special character. Specifically, the second byte of this character contains the 0x00 Unicode specification. For example, the folder name begins with the following character:
```
刀(U+5200)
```

In this scenario, you cannot delete the mailbox folder.

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CAUSE

This issue occurs because Exchange Server 2010 incorrectly handles Unicode characters that have 0x00 in the second byte.

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RESOLUTION

To resolve this issue, install the following update rollup:

2582113 (http://support.microsoft.com/kb/2582113/ ) Description of Update Rollup 5 for Exchange Server 2010 Service Pack 1

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WORKAROUND

To work around the issue, rename the folder, and then delete it.

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STATUS

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

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MORE INFORMATION

For more information about Unicode, visit the following MSDN website:

General information about Unicode (http://msdn.microsoft.com/library/dd374081(VS.85).aspx)

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