This update KB3027679 resolves an issue. This update contains an image that can be installed on Aastra 6721ip and Aastra 6725ip telephones. The image version is 7577.4458. 

Get the update KB3027679 for Lync Phone Edition for Aastra 6721ip and Aastra 6725ip telephones

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next update that contains this hotfix.To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

How to install the update

Prerequisites

There are no prerequisites for installing this update.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.

Registry information

To use one of the updates in this package, you do not have to make any changes to the registry.

Issue that the update fixes

This update resolves the following issue:

Lync Phone Edition restarts when all replica servers are shut down

See the general information about the terminologythat Microsoft uses to describe software updates.

More Information

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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.