memory in server 2003 sbs

Posted on 2009-12-23
Last Modified: 2012-05-08
I'm  running 2003 server, and is running with 4 gb but my services are running with 3.5 gb and its getting slow, how can i put more memory in 2003, i think the limit is 4gb is that right?
Question by:delphilenny
    LVL 11

    Expert Comment

    4 GB is the maximum that the SBS 2003 can use. It doesn't matter if you increase the RAM on your machine, SBS won't detect it.
    LVL 19

    Expert Comment

    Presumably you are running a 32-bit server?  For a 32-bit server, the physical limit is 4GB.  Note, however, that your server will not be able to use all 4GB due to the manner in which the peripherals are used (graphics card, sound card, etc.).  The manner in which these are accessed is to reserve a set amount of RAM equal to the requirement of the device & then that area of memory maps onto the real device.  As a result, each device prevents the use of a portion of the 4GB total.

    Your only recourse is to move some services to other servers or to obtain a 64-bit operating system.
    LVL 12

    Expert Comment

    Because 2003 is a 32bit operating system it can't take more that 4GB memory. Unless you have the enterprise edition of course.
    Can you move some services to another server?
    LVL 11

    Accepted Solution

    You must make an upgrade if you want to keep all your services in that box. I recommend upgrading to SBS 2008 x64 for 32 GB RAM support.
    LVL 20

    Expert Comment

    some services will use whatever ram is available, and using more than your 3.5Gb shouldnt make it too slow..

    try.. a fixed size swapfile of around 4Gb - this will help ensure you dont have a fragmented swapfile.
    clean up temp files
    turn off monitoring services - these use a few resources that you may be able to live without
    make sure your exchange data file is on a different drive to your swapfile

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