Symptoms

Assume that you try to synchronize a certain mobile phone on a Microsoft Exchange Server 2010 mailbox by using ActiveSync. In this situation, you cannot receive email messages on the mobile phone. Additionally, the mobile phone crashes.

Cause

This issue occurs because ActiveSync sends an empty ContentID element for an email message. However, certain mobile phones cannot handle an empty ContentID element value.

Resolution

To resolve this issue, install the following update rollup:

2579150 Description of Update Rollup 4 for Exchange Server 2010 Service Pack 1

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 the ContentID element, visit the following Microsoft website:

General information about the ContentID element

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