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How to remove memory limit in Exchange 2007 following SBS2003 to SBS2008 migration


Following a migration from SBS2003 to new hardware and SBS2008 using the MS recommended migration method, I notice that Exchange / store.exe is being limited to less than 1Gb RAM. This is after leaving the server for a couple of days to let the memory usage creap up.  This is causing performance issues with client access.

I have other Exchange 2007 servers on Windows 2008 Standard platforms that use all available RAM and work really well.  This new SBS 2008 box has 16Gb RAM and I would like to unleash exchange to use all the RAM it feels necessary.

How would I go about this?

Thanks in advance!


1 Solution
Shouldn't need to do anything. Exchange will use all of the RAM that it needs. Certainly has to be one of the oddest questions - Exchange not using enough RAM, normally it is complaints about using too much!

Run the Best Practises tool from the toolbox and also download the SBS best practises tool and run that against the system as well.

dharradineAuthor Commented:
Thanks Mestha, The best practices tool came up with hundreds of problems. once i worked through all these, the ram usage reverted to normal behaviour. Thanks
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