High memory/pages/sec

I have a Windows 2003 32bit HP DL380G5 with 4GB and a 2-4GB page file size. The server is a domain controller/file/print server. In watching performance counters I see memory/pages/sec skyrocket 2000+ and Microsoft is telling me that 80+ means more ram. Well the amount of available ram never goes below 2GB per that counter. The times that it hits these amounts is when a have a massive number of users log on and off and roaming profiles are being read/written. It has gotten to the point where connections are being all out dropped when this number reaches a certain point.
lonekawboyAsked:
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lnkevinCommented:
4 GB of RAM is not a whole lot of RAM nowadays as my PC has 4GB, too. Anyway, I am not sure I understand your question. So when all connections are dropped, does it still show 2GB of RAM is being used? Can you check the processes tab and enable "Show all process..." to see what task is taking the memory. It could just be a memory leak (some program does not release the memory in the buffer after being closed). Reboot your server will clear it all and start your memory low.

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lonekawboyAuthor Commented:
I had a Dell PowerEdge 2800 with 2GB of RAM in this same installation last year w/o and issues so something has changed with an app to cause this and I think it is McAfee. When this occurs I get extremely high pages/sec 4000+ and then everything dies, pages/sec and CPU go to zero for say 10 seconds, users lose access to files and must log off and log back in. We are using roaming profiles with folder redirection. Microsoft is telling me that pages/sec should be below 80 and I can't see how that can be possible on a file/print server.
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lnkevinCommented:
Anti virus software sometime hogs a lot of memory. Does the issue occur on a patern of routine or randomly? Did you check your Processes in Task manager yet? what takes the most memory when the problem occurs?

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lonekawboyAuthor Commented:
I have added exclusions for a ton of directories (i.e. profile and appdata for folder redirection) to remove the antivirus load and that has definitely helped. When looking at the memory load it is always explorer.exe.
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lnkevinCommented:
If your server is a file share, explore.exe represents fileshare. Make sense!

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Windows Server 2003

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