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Unable to change the size of the page file

Last Modified: 2008-11-07
Hello. I have a few Dell OptiPlex GX620 Mini-Towers that I have upgraded to 4GB of RAM. These machines are running Win XP Pro SP2. I cannot change the Virtual Memory. I receive the following message: System Control Panel Applet, Enter a maximum page file size that is greater than or equal to the initial page file size, and less than 4096MB.

There is specific software that these machine use that recommends increasing the Virtual Memory to 3 times the size of RAM.

I do have other OptiPlex GX620 Mini-Towers in which I was able to increase the Virtual Memory.

Does anyone know what's going on with these machines?
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This KB article from MS may help you:

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Thank you for the reference. I will give it a try and report back my results.

You may also try to have multiple pagefile instead of one big one. If you do one big one, you may build up fragmentation if you don't set the min and max the same size.


Well following the instructions from the Microsoft link provided I was able to add multiple page files. I really would prefer one huge page file, about 12Gigs, to avoid fragmentation. Many thanks to the theProfessa.

I am aware of Microsoft's recommendation for Virtual Memory, 1.5 times available RAM. In this case though the primary software application being used has a recommendation of its own, 3 times the available RAM. All the machines running this software all are maxed out at 4GBs of RAM. Out of about 20 computers I only have 2 that would not allow me to change the virtual memory settings thru My Computer properties. The other 18 I had no problem increasing Min/Max to 12288 MB. All these machines are for the most part configured the same

If anyone has any more insight or helpful comments regarding the message I listed in my questions please let me know.
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