May 2017 cumulative update 6.0.9319.281 for Skype for Business Server 2015 and Unified Communications Managed API 5.0 Runtime

To install the cumulative update for Skype for Business Server 2015 and Unified Communications Managed API 5.0 Runtime, you must follow the steps that are described in Updates for Skype for Business Server 2015 (KB 3061064) 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 and Back End server
• Skype for Business Server 2015 - Edge server
• Skype for Business Server 2015 - Stand-Along Mediation server
• Skype for Business Server 2015 - Director server
• Skype for Business Server 2015 - Persistent Chat server
• Skype for Business Server 2015 - Video Interop server

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 don't 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 February 2017 cumulative update for Skype for Business Server 2015 and Unified Communications Managed API 5.0 Runtime.

Removal information

To remove this cumulative update package, use the Add or Remove Programs item in Control Panel.

Sometimes, when you try to uninstall this cumulative update, you are prompted for the source CD. If this behavior occurs, insert the source CD, or provide the path where the source files can be found.

File information

The global version of this cumulative update uses a Microsoft Windows Installer package to install the cumulative update.

After the update is installed, the global version of this update has the file attributes, or a later version of the file attributes, that are listed in the following table:

File name	File version	File size	Date	Time	Platform
File_default_tmx	Not Applicable	1,035,077	31-Mar-2017	17:43	Not Applicable
File_gac_collaboration_dll	6.0.9319.277	6,496,000	22-Dec-2016	16:26	x86
File_gac_internal_media_dll	6.0.8953.265	9,582,736	31-Mar-2017	16:25	x64
File_gac_rtmpal_dll	6.0.8953.265	2,973,328	31-Mar-2017	16:25	x64
File_gac_sipeps_dll	6.0.9319.281	1,949,360	31-Mar-2017	18:12	x64
File_mediaperf_dll	6.0.8953.265	61,072	31-Mar-2017	16:25	x64
File_mediaperf_h	Not Applicable	13,546	31-Mar-2017	16:25	Not Applicable
File_mediaperf_ini	Not Applicable	100,700	31-Mar-2017	16:25	Not Applicable