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You cannot install Unified Communications Managed API Redistributable and receive an unclear error message

Symptoms

You have a computer that has the Microsoft Visual C++ 2008 Service Pack 1 Redistributable Package version 9.0.30729 installed. If you try to install Microsoft Unified Communications Managed API Redistributable (UCMARedist.msi), the installation process fails. Additionally, you receive the following error message:
Microsoft Unified Communications Managed API 2.0 Core Redist installation or uninstallation requires that VC++ 2008 Redistributable is already installed.
This error message is not clear because it does not indicate that a specific version of Visual C++ 2008 Redistributable package is required.

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Resolution

To resolve the problem of failing to install the Microsoft Unified Communications Managed API Redistributable, download and install the Microsoft Visual C++ 2008 Redistributable Package version 9.0.21022 from the following Microsoft Web site:
Download Microsoft Visual C++ 2008 Redistributable Package version 9.0.21022

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More Information

For more information about the Microsoft Unified Communications Managed API Redistributable (UCMARedist.msi), visit the following Microsoft Knowledge Base article:
976657 Description of the cumulative update for Office Communications Server 2007 R2, Unified Communications Managed API 2.0 Core Redist 64-bit: April 2010

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Keywords: kb, kbsurveynew, kbexpertiseinter, kbqfe, kbfix

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Article Info
Article ID : 981253
Revision : 2
Created on : 4/9/2020
Published on : 4/9/2020
Exists online : False
Views : 154