Applications may experience slow response times when you query through the Host Integration Server WMI provider. Additionally, you may find Event 684 logged, which indicates an increase of elements or headers.
The fix that resolves this problem is included in Cumulative Update 4 for Host Integration Server 2013.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminology Microsoft uses to describe software updates.