R2H001 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
R2I001 manifest for SAS Decision Services SAS Federation Server Config 6.4_M3
R2Z001 manifest for SAS Decision Services Engine Server 6.4_M3