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Low Virtual memory on SBS 2003 w/Exchange

Posted on 2008-06-21
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Last Modified: 2008-07-11
I have an SBS 2003 sp2 server running Exchange 2003 w/2gb of ram.  It's constantly running less than 10% virtual memory available - store.exe being the proccess using the most.  I ran the ExBPA and there were two critical errors

1. Page file is less than total physical memory, recommended setting is1.05.  1.5 seems to be customary and what our server shows is recommended - min and max are at 3060.  This recommendation would then mean reset to min/max 2100.  

2. HeapDeCommitFreeBlockThreshold has not been set to 262144 decimal.  It's set to 0 and according to SBS instructions, that's were it should be. Also, the instructions for HeapDe show setting the value to a hexadecimal value of 0x00040000, which is not a hex number.

Is it really important these changes are made on an SBS box and help up virtual memory to a more tolerable level?  If so, wouldn't the hex value to enter be 40000, not 0x00040000?

Thanks for the help.
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Question by:normajm400
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kieran_b earned 250 total points
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>>1. Page file is less than total physical memory

Where is the page file?  On the C:?  Have a look for the pagefile itself (pagefile.sys) and see how big it is.

>>2. HeapDeCommitFreeBlockThreshold has not been set to 262144 decimal.

Considering you are having problems with paging, I would be changing that setting - irrespective of what the default it.  The only SBS information I can find about it is that 0 is Default (ie., not mandatory) and that they don't like you changing it because people keep doing it wrong - so be careful :)

Kieran
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