This cumulative update fixes a range of issues in Microsoft Lync Server 2010, Web Components Server. The version number of this update is 4.0.7577.728 . Issues that this update resolves. This cumulative update fixes the following issues: KB 3155593 Can't join an online meeting in a local client through Google Chrome in Lync Server 2010.

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.

This update package fixes the following issues: 2517763 The "Not Specified" string is not localized in Lync Server 2010 Control Panel. 2598462 An update is available to replace the error message that you receive when you use Lync Web App in the 64-bit version of Internet Explorer.

Introduction. Issue that this update package fixes: 2577956 The “Error: Meeting URL is not valid.” error message is not translated into the selected language in Lync Server 2010. Resolution. Update package information. Microsoft Download Center. The following file is available for download from the Microsoft Download Center:

Introduction. Issues that this update package fixes. This update improves the reliability, stability, and performance of Lync Server 2010, Web Components Server. This update also includes the updates that are described in the following Microsoft Knowledge Base articles:

Run the Cumulative Server Update Installer by using the UI or a command prompt. Note When you click Install Updates, the UI indicates which updates are installed. To run the installer, run the following command: LyncServerUpdateInstaller.exe Note The following bullet points describe parameters that you can use with the LyncServerUpdateInstaller.exe command:

Run the Cumulative Server Update Installer by using the UI or a command prompt. Note When you click Install Updates, the UI indicates which updates are installed. To run the installer, run the following command: LyncServerUpdateInstaller.exe Note The following bullet points describe parameters that you can use with the LyncServerUpdateInstaller.exe command:

To resolve this issue, follow these steps: Remove the duplicate entries in the two sections after the <location path="Lync Server Internal Web Site" overrideMode="Allow"> and <location path="Lync Server External Web Site" overrideMode="Allow"> tags.

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.

After you run the Lync Server Cumulative Update Installer, you must update all the applicable back-end servers. For more information about how to do this, click the following article number to view the article in the Microsoft Knowledge Base: