The store.exe service of the exchange server 2000 consumes all the memory?

why the store.exe service consumes all the memory on my exchange server2000? The usage of the store.exe service is expanding until it reachs 1.8G,there will display a window to ask me to stop the service and the client outlook will be not responding as if the computer is dead. When I restart the server, everything is ok. Before it had only 1G memory,it worked very well. Now I add the memory to 2G, it occur the above thing with the same users. Please help me, or I will always restart my server.
Thanks very much.
zjqiAsked:
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QuetzalCommented:
Here's some general pointers on tuning Exchange 2K.  By design, store.exe tries to consume all available memory, but releases it as other processes request it.

http://support.microsoft.com/default.aspx?scid=kb;en-us;266096


If you're running Windows 2K Advanced Server, here is an important note:
http://support.microsoft.com/default.aspx?scid=kb;en-us;266096

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