Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.

June 2019 Cumulative Update 4.0.7577.766 for Lync Server 2010, Unified Communications Managed API 3.0 Runtime

View products that this article applies to.

This cumulative update fixes a security issue in Microsoft Lync Server 2010, Unified Communications Managed API 3.0 Runtime. The version number of this update is 4.0.7577.766.

↑ Back to the top

Get Cumulative Update KB4501056 for Unified Communications Managed API 3.0 Runtime

The following file is available for download from the Microsoft Download Center:

Download Download the UcmaRuntime.msp package now.

Release Date: June 2019

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

19591 How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.


There are no prerequisites for installing this cumulative update.

Restart requirement

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

Update replacement information

This cumulative update replaces the February 2015 cumulative update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime.

Registry information

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

File information

The global version of this cumulative update uses a Microsoft Windows Installer package to install the cumulative update. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

After the cumulative update is installed, the global version of this cumulative 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 1,351,562 26-Apr-2019 21:27 Not applicable
File_gac_collaboration.dll 4.0.7577.217 5,593,792 24-Jun-2013 20:04 x86 4.0.7577.766 7,578,504 26-Apr-2019 21:42 x64
File_gac_sipeps.dll 4.0.7577.756 1,698,184 10-Jan-2019 17:58 x64
File_ocstracer.exe 4.0.7577.172 655,104 06-Oct-2011 10:42 x64

↑ Back to the top

Keywords: kb, kbqfe, kbfix

↑ Back to the top

Article Info
Article ID : 4501056
Revision : 14
Created on : 6/11/2019
Published on : 6/11/2019
Exists online : False
Views : 279