KB ID 0000903 Dtd 13/01/13
ProblemBefore you go any further with this article THIS IS COMPLETELY NORMAL! It may look a little odd if you look in Task Manager.
Store.exe will take as much RAM as it can get hold of, the difference between that, and a program that 'hogs' memory is, it has been designed to monitor the system, and release memory as it's required by other processes.
So for 99.999% of you stop reading now!
OK, You can cap the memory that Exchange uses, but Microsoft recommend that you don't do this. Why did I do it then? Well my company uses N-central to monitor our clients servers, and when monitoring the metrics for memory, it reports as failed if it stays at 99% for a while. This can happen quite often on some busier Exchange servers. So I set about capping the memory that store.exe would use.
Solution1. Launch ADSIEdit.msc > Connect to the Configuration Context.
Use the following tool to calcutate the value
IMPORTANT:After Exchange 2010 SP1 you also need to set the msExchESEparamCacheSizeMinÂ to the SAME VALUE. 3. Finaly restart the Microsoft Exchange Information Store service.
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