When you access Microsoft Outlook Web Access by using Microsoft Internet Explorer 7 version of Internet Explorer, you experience one of the following symptoms.
On a computer that is running Microsoft Windows Vista, you cannot perform any editing tasks that you typically expect to perform. For example, you cannot perform the following tasks:
• Compose a new e-mail message
• Reply to an e-mail message
Additionally, you may receive a red X error.
The following Microsoft Exchange Server 2003 patch is available for download from the Microsoft Download Center and you need to run this patch on your exchange server.