Article ID: 2571791 - View products that this article applies to.
Consider the following scenario:
In this scenario, the retention policies are also applied to Contact items of the mailboxes unexpectedly.
This issue occurs because the Microsoft Exchange Mailbox Assistants service uses an incorrect method for item class comparison when retention policies are executed. The case-insensitive comparison fails after an uppercase to lowercase conversion. Therefore, Contact items are included in retention policies.
To resolve this issue, install the following update rollup:
(https://support.microsoft.com/kb/2608646/ )Description of Update Rollup 6 for Exchange Server 2010 Service Pack 1
To work around this issue, change the locale to English (United States). To do this, follow these steps:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about retention tags and retention policies, visit the following Microsoft website:
General information about retention tags and retention policiesFor more information about how to create a retention policy, visit the following Microsoft website:
General information about how to create a retention policyFor more information about how to apply a retention policy to mailboxes, visit the following Microsoft website:
General information about how to apply a retention policy to mailboxes
Article ID: 2571791 - Last Review: October 28, 2011 - Revision: 1.0