Update package installation information. To install this update package, install the KB2571547-x64-WebComponents.msp package on computers in a network that are running the following platforms: Lync Server 2010 - Standard Edition. Lync Server 2010 - Enterprise Edition - Front-end.

File information. This update package may not contain all the files that you must have to fully update a product to the latest build. This update package contains only the files that you must have to resolve the issues that are listed in this article.

This article describes the update for Microsoft Lync Server 2010, Web Components Server that is dated March 2012.

This update replaces the following previously released update: 2500441 Description of the update package for Lync Server 2010, Web Components Server: April 2011. Registry information. To use one of the update packages in this package, you do not have to make any changes to the registry. Update package installation information.

Describes the bugs that are resolved in the January, 2011 cumulative update package for Lync Server 2010, Web Components Server.

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. After you uninstall this update package, Internet Information Services (IIS) may stop running.

Removal information. To remove this cumulative update package, use the Add or Remove Programs item in Control Panel. If you are prompted for source file when you install the update, insert the source CD or provide the path to where the source files can be found.

Skype for Business Server 2015. This cumulative update fixes several issues in Skype for Business Server 2015, Web Components Server. The version number of this update is 6.0.9319.534.

If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: Windows 11 Windows 10. 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6.

The cumulative update fixes the following issues: KB 4056283 Can't join a Skype meeting with Skype for Business on Mac. KB 4056284 Skype for Business Web App can't switch audio for a guest user in a meeting with CU5 applied.