Yesterday, Microsoft released to manufacturing Windows Small Business Server 2011 Standard and Premium, previously codenamed "SBS 7". Both platforms were RTM earlier in the year and both products will be available to volume customers in early January. If you are so inclined, you can download a trial copy in mid-January and availability through the OEM's and System Builders is expected to begin in February, 2011.
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Small Business Server 2011 released to manufacturer