Windows 2008 SBS Memory / Server Issues

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    I have a client with a server with the following configuration:
    Xeon Processor
    8GB RAM
    2 x 1GB SATA drives
    Windows 2008 Small Business Server (64)
    Use Exchange 2007
    Symantec Endpoint Protection 12.0 small business
    Information Foundation Mail Security For Microsoft Exchange (latest)
    CA ArcServe for Small Business Server 2008 (latest)

    Problem:
    We have been seeing very high memory usage on the server for the past 3 months (beginning of the year) in the 90% of phyiscal memory. Seems to be sqlserver (1.2GB), but it goes up and down. There are multiple Symantec process running with the same name (like 7 or 8) that are 64MB or there abouts. The CPU usage is fine.

    The server has had 2 events in the past month both dealing with users retrieving files and needing to do a restart to resolve.

    First
    It was caught early in the AM the first time the server was VERY slow to shutdown, but did shutdown and reboot.

    Interim
    I noticed the memory was back at 90 to 95 percent utilization and did a shutdown (even though all was working fine.) Stopping Group Policy seemed to take forever to stop. The server was rebooted an the memory was at 55% for about a day or two then went up into the 80s.

    Last
    The second major event was this past weekend. This time memory was at 95%, the backup Crashed and it started to give an error that a ini file associated with Group Policy was not found. I was able to login, which was very slow to log in. Email was working fine, could see files and folders, but when we opened them MS office would give a blank screen or error. I also could not get the desktop to work well enough to get it to shutdown and simply had to do a hard reboot. There was lots of disk activity.

    After the reboot, the system seemed to be fine and the memory was creeping up and was at 70% after about 1 hour. Today, about 24 hours later, it is at 90%.

    I have a schedule maint on Tuesday AM and wanted to know what I could do to resolve or toubleshoot the problem. The client is getting frustrated with Windows 2008 SBS.

    Thanks

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    The member who asked this question verified this comment provided the solution that solved their problem.

    Accepted Solution on 2010-03-15 at 13:22:33ID: 27658479

    I think that your sql software just pre loads informations into your ram, just to speed things up. There is no problem in high ram usage as long as it doesnt keep hitting the 100% and starts moving everything into the pagefile.

    And even with a very low data transfer the harddisk might be searching like hell for all kind of (very) small files. Could you watch out for programs that have a high cpu/mem/hdd usage when it starts to get slow again?

    The reason I am leaning toward the hdd is because there were problems twice when users where trying to retrieve files. Maybe you can run some checks on them?

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