Exchange proccess store.exe

Hi Experts,

my exchange server 2007 eats all memory with the proccess store.exe
Do you have a solution to reduce or solve this behavior ?
Eprs_AdminSystem ArchitectAsked:
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strivoliCommented:
Exchange uses as much memory as possible in order to speed itself. When others processes need memory, Exchange will release the requested memory.
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Casey HermanCitrix EngineerCommented:
That is not out of the norm on exchange 2007.  

When the system needs the extra memory it will give it back from exchange.

Also check out this forum.  

There is a way to edit the cache size that it is allowed to use. Be careful with it because it uses ADSI edit to accomplish this.

http://www.petri.co.il/forums/showthread.php?t=35990

-Casey
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AmitIT ArchitectCommented:
If you are not facing any problem with server and client are not reporting any issues, no further action required, as exchange is designed to use maximum memory to give better user performance. However, if you are facing any problem, in that case, you need to do a deep dive and check what is causing high CPU utilization.

Like any increase in user count base, increase in Active sync users etc. According to that you can take further action. Also make sure, to update latest service pack and Rollup's for exchange server. That can also help to resolve this issue.
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Eprs_AdminSystem ArchitectAuthor Commented:
I don´t have high CPU load, just 98% memory usage.
We have small issues because some users reported slow Outlook 2010.

How often I have to reboot a exchange server ?
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strivoliCommented:
Check those Outlook 2010. Are they set as cached? If they aren't, set them as cached.

No need to reboot Exchange.
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AmitIT ArchitectCommented:
Once in between 30-45 days recommended by MS. I suggest monthly. When you rebooted this server last time?
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strivoliCommented:
@amitkulshrestha

I must be missing something and I would be very thankful if you could "enlighten" me: where did you find MS recommends a reboot every 40-45 days?
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Tony GiangrecoCommented:
There is no exact schedule for rebooting Windows servers. That event should be based on the servers age, load, memory, applying updates and resources that may need to released or refreshed to provide proper service to the network demands.

We have fine servers 3x2003 and 2x2008 in a domain. They all get restarted once a week for basic maintenance and windows updates.
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Eprs_AdminSystem ArchitectAuthor Commented:
is it wise to do the following on Exchange ?

- Install "Windows System Resource Monitor" through 'add feature'

- configure the memory + CPU limits around STORE.EXE.

- WSRM will only allow STORE.EXE to 'see' that amount of space.
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Casey HermanCitrix EngineerCommented:
How much ram is in the box? Also is it 32 or 64 bit?

If it is 64bit I would just add more ram to it.

-Casey
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Simon Butler (Sembee)ConsultantCommented:
It isn't supported to limit the amount of RAM that store.exe uses.
As already stated, Exchange will use all of the RAM that is available. You bought that RAM to be used didn't you?
The only time it becomes a problem is when the RAM is not released back when something else wants it. That can indicate a problem with a third party utility getting in the way.

Simon.
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Eprs_AdminSystem ArchitectAuthor Commented:
we 64 bit machine with 20GB ram
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Casey HermanCitrix EngineerCommented:
I would say that is ok then. Outlook is probably not hanging because of the exchange server.
As a test have the users that are complaining log into OWA and test if their email is slow there as well. If not you need to analyze the client they are using.

-Casey
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Seth SimmonsSr. Systems AdministratorCommented:
one thing i would also look at is your storage
what is your disk system like?  if you have exchange databases on a raid 5 array then you would see a bit of performance degradation that could affect clients; raid 10 is recommended

also, depending on how many users we are talking about it could dictate whether some additional memory is needed

i agree, shouldn't normally be scheduling reboots of your exchange server (unless you have a regular maintenance plan for updates) if you have your hardware and application configured correctly
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Eprs_AdminSystem ArchitectAuthor Commented:
ok thanks to all.
Then I will leave my system like it is, when no more problems are coming up.
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