Symptoms

When a new email message is received, or when a calendar reminder notification pops up in Outlook Web App, sound alerts do not work in a Microsoft Exchange Server 2013 environment.

Cause

This issue occurs because the extension type for .mp3 files is not set.

Resolution

To resolve this issue, install Cumulative Update 7 for Exchange Server 2013.

Status

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

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.