I would like to be able to install 48GB of RAM in my server, but it seems Windows Server 2008 Standard limits me to 32GB.
How do I install more RAM in my server?
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You will have to upgrade to an Enterprise or Datacenter version of Windows.
Additionally, if you want to use more than 2 GB of memory for any one process, you'll have to upgrade to the 64 bit version.
To go beyond 32 Gigs you'll need to upgrade Windows 2008 Enterprise Edition.