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Limiting Physical RAM usage of Exchange Store.exe & w3wp.exe processes

Last Modified: 2014-03-29
i have a server running on Windows 2008 R2, hosting Exchange 2010 ( and Hyper-V (1virtual Machine)
Server has 12 GB of physical RAM.
Exchange server users is 20 User.

I read about "Windows System Resource Manager" and its ability to limit RAM usage of processes, and since the Exchange 2010 Store.exe Process and w3wp.exe processes are consumming too much ram and this is affecting some how on the Hyper-V virtual Machine causing it to hang from time to time. i want to try to limit the memory usage of the Exchange proccesses.

My questions are:
1- will the installation of "Windows System Resource Manager" on a a server hosting exchange 2010 have any bad affect (or maybe not recommended)?

2- does limiting these processes usage of RAM has any Bad affect on the performance of the server?

3- i have x1 Store.exe process that is exceeding 5 to 7 GB of RAM and Multiple w3wp.exe processes !!! each of these w3wp.exe process is using around 300 to 400 MB!

4- My Hyper-V virtual machine is configured to use 2 GB this should leave 10 GB for the Windows 2008 R2 and Exchange 2010 processes, so if i decide to limit the Exchange store.exe and the w3wp.exe processes, How much RAM should i dedicate for each and a how to do that is highly recommended as i don't want to mess or make a mistake when configuring this.

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