.NET 4.5 hotfix available to reduce memory consumption of Exchange 2013 store worker processes

Earlier this year Microsoft released an important hotfix for .NET 4.5: A .NET Framework 4.5-based application that excessively uses ExecutionContext objects or WCF may result in too many objects being pinned on the Garbage Collector heap. This causes heap fragmentation along with an increase in memory and CPU usage by the Garbage Collector. 

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