Limit Memory Usage of store.exe – Microsoft Exchange

On the SBS 2011 Server, Microsoft Exchange isn’t used at all, yet store.exe uses over 700MB of memory (via Processes in Task Manager). It doesn’t look simple/possible to remove Exchange as part of a SBS Server. Instead, below shows how to limit its memory usage.

  • START -> (run/search) ADSIEDIT.msc
  • Right-Click on ADSI Edit and choose “Connect to…” and choose “Select a well known Naming Context: Configuration”.
  • Browse to: Configuraion -> CN=Configuration, -> CN=Services -> CN=Administrative Groups -> CN=Exchange Administrative Group -> CN=Servers -> CN=Servername -> CN=InformationStore -> (right-click) Properties
  • Scroll down for “msExchESEParamCacheSizeMax”
  • For Exchange 2010 (uses 32KB Pages). Example for 1GB Memory ->
    1GB = 1048576KB
    1048576 / 32 = 32768
  • *new* Set “msExchESEparamCacheSizeMin” to 256 (8MB of Memory).

Microsoft Article for Exchange 2000 & Microsoft Article for Exchange 2010 with reference to 32KB Page Size

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