March 2016 cumulative update 6.0.9319.235 for Skype for Business Server 2015, Front End server and Edge server

This cumulative update resolves an issue that occurs in Microsoft Skype for Business Server 2015 Front End server and Edge server. The version number of this update is 6.0.9319.235.

Note Server-side conversation history in branch site deployments is no longer supported in the March 2016 cumulative update.

Issue that the cumulative update fixes

This cumulative update fixes the following issues:

KB 3141120 Call transfer from a PSTN call to a federated user fails in Skype for Business Server 2015
KB 3141114 Event 1000 occurs and the Rtcsrv.exe process crashes on a Skype for Business Server 2015 Front End server

This cumulative update also fixes the issue that was previously listed in the following Microsoft Knowledge Base articles:

How to install the update

To install the cumulative update for Skype for Business Server 2015, Front End server and Edge server, you must follow the steps that are described in Updates for Skype for Business Server 2015 (KB3061064).

Note The Cumulative Server Update Installer applies all updates for the appropriate server role in one operation.

Prerequisites

There are no prerequisites for installing this cumulative update.

Registry information

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

Restart requirement

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

Update replacement information

This cumulative update replaces the November 2015 cumulative update 6.0.9319.102 for Skype for Business Server 2015, Front End server and Edge server.

Update package installation information

To apply this cumulative update, you must follow the steps that are described in Updates for Skype for Business Server 2015 (KB3061064) on computers that are running the following server roles:

Skype for Business Server 2015, Standard Edition server
Skype for Business Server 2015, Enterprise Edition - Front End server
Skype for Business Server 2015, Edge server

Removal information

Before you uninstall this cumulative update, you must first uninstall all cumulative updates of core components whose version number 6.0.9319.55 or later for Skype for Business Server 2015, core components. Otherwise, you will not be able to start the RTCSRV service.

To remove both cumulative updates, follow these steps.

Note We recommend that you see the instructions that are described in Updates for Skype for Business Server 2015 (KB3061064) when you remove both cumulative updates.

In Control Panel, click Program.
Click the Installed Updates link.
Press and hold (or right-click) Skype for Business Server 2015, Core Components (KB3134259) version 6.0.9319.235. Then, click Uninstall.
Press and hold (or right-click) Skype for Business Server 2015, Core Components (KB3097644) version 6.0.9319.102. Then, click Uninstall.
Press and hold (or right-click) Skype for Business Server 2015, Core Components (KB3090687) version 6.0.9319.72. Then, click Uninstall.
Press and hold (or right-click) Skype for Business Server 2015, Front End Server (KB3134260) version 6.0.9319.235. Then, click Uninstall.
Press and hold (or right-click) Skype for Business Server 2015, Front End Server (KB3097645) version 6.0.9319.102. Then, click Uninstall.
Press and hold (or right-click) Skype for Business Server 2015, Front End Server (KB3061059) version 6.0.9319.72. Then, click Uninstall.

References

Learn about the standard terminology that Microsoft uses to describe software updates.

Get the latest cumulative update for Skype for Business Server 2015.