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What is the recommended Exchange 2003 pagefile setting with 3.5 GB RAM installed?

Posted on 2007-11-27
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What is the recommended Exchange 2003 pagefile setting with 3.5 GB RAM installed?
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Question by:bsohn417
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Sembee earned 100 total points
ID: 20359559
You cannot go above 4096 for a pagefile, so I would set at that.
To be controversial, I never give Exchange 2003 servers more than 2gb of RAM anyway.

Simon.
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by:Network_Data_Support
Network_Data_Support earned 200 total points
ID: 20359651
pagefile should be around 1.5 times the amount of physical memory you have and as simon says you cant go above 4Gb i usaly set the partitions at 4000 and set the pagefiles 3000
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by:smeek
smeek earned 200 total points
ID: 20360629
If you are tuning your Exchange server, you also want to do things like set HeapDecommit, /3GB in boot.ini and other things.  I suggest your download the EXBPA tool.  Run the scan with baseline option (over 2 hrs.) and go through report.  It will make some suggestions.  Most of the memory tuning is helpful, but treat as recommendations only, don't go gung ho with everything.

http://www.microsoft.com/downloads/details.aspx?familyid=DBAB201F-4BEE-4943-AC22-E2DDBD258DF3&displaylang=en

Steve
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by:bsohn417
ID: 20361636
Thanks for all the info guys.  Right now our pagefile has a range of 2046 - 4092 and we are getting Windows Virtual Memory Minimum Too Low messages.  What are your thoughts on making it static at 4092?
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by:Network_Data_Support
Network_Data_Support earned 200 total points
ID: 20361741
i would if you have space create 2 partions at 4000 and then set pagefile on both drives at 3000 giving you total 6000 server is going to need a restart tho
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by:smeek
smeek earned 200 total points
ID: 20361952
Be sure to use the BPA because some of the virtual memory fragmentation is likely caused by memory settings.  I ran into similar issue and how I discovered the utility.  I resized pagefile, set it to a static size and other things but mem tuning fixed the issue.

You can also skip the utility and read and make changes yourself.  It seems like a lot of gibberish, but then has the tasks you should be doing.  After changes, restart server.

http://support.microsoft.com/kb/815372
http://support.microsoft.com/kb/291988
http://www.computerperformance.co.uk/exchange2003/exchange2003_3GB.htm

Steve
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