How much memory on the server? What else is running?

>I have an app that is running on Microsoft's Small Business Server 003 Version 2.
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>Speed is acceptable when only one user is using it, but when more than one is using it it crawls.
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>App is local on the machine, and the config.fpw tells fox to place the temp files on the local hard drive. Any ideas on how to determine from inside the application if this is really what is happening? (That the temp files are local.)
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>Any suggestions to speed up the fox on this network. (Max users is about 5...)
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>TIA,
>Mike