Recommended SQL Server 2012 SP1 Hotfix available for msiexec issue (KB2793634)

SQL Server 2012 SP1 installations are currently experiencing an issue in certain configurations as described in Knowledge Base article KB2793634. This article provides a fix for this issue which is
currently available for download, and is recommended for application immediately following a Service Pack 1 installation. The fix is contained in SQL Server 2012 SP1 Cumulative Update #2, and is also being made available as a recommended update on Microsoft Update.