This cumulative update fixes several issues in Microsoft Skype for Business Server 2015 and Unified Communications Managed API 5.0 Runtime. The version number of this update is 6.0.9319.281.

Issues that the cumulative update fixes

The cumulative update fixes the following issues:

This cumulative update fixes the issues that were 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 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

 

References

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

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

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