Summary
A component used within Exchange requires a new Visual C++ prerequisite to be installed with Exchange Server. This change is effective with all supported Exchange Server releases that are released after June 19, 2018. Exchange Setup will enforce this prerequisite during cumulative update installation or when it updates an affected version. The prerequisite compnent can be downloaded at Visual C++ Redistributable Packages for Visual Studio 2013.
More information
The following cumulative updates for Exchange Server were released on June, 2018.
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Cumulative Update 10 for Exchange Server 2016
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Cumulative Update 21 for Exchange Server 2013
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Update Rollup 22 for Exchange Server 2010 Service Pack 3
References
Learn about the terminology that Microsoft uses to describe software updates.