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You cannot upgrade from Small Business Server to regular Windows Server, they are completely different products and the upgrade path is not supported by Microsoft. You will instead need to migrate from your existing SBS domain into a new Windows Server 2003 domain.<br />
<br />
Check out <a href="http://www.sbsmigration.com" rel="ugc">www.sbsmigration.com</a>, which is maintained by a member of the SBS community and may help to step you through what's required here.<br />
<br />
Hope this helps.<br />
<br />
Laura E. Hunter - Microsoft MVP: Windows Server - Networking
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You cannot upgrade from Small Business Server to regular Windows Server, they are completely different products and the upgrade path is not supported by Microsoft. You will instead need to migrate from your existing SBS domain into a new Windows Server 2003 domain.

Check out www.sbsmigration.com [http://www.sbsmigration.com], which is maintained by a member of the SBS community and may help to step you through what's required here.

Hope this helps.

Laura E. Hunter - Microsoft MVP: Windows Server - Networking

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What are the options and the requirements to upgrade a server from SBS 2000 to Windows 2003 standard?<br />
Is the license upgrade from SBS 200 to SBS 2003 Cheaper than SBS 2000 to Win2003 Stand?<br />

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What are the options and the requirements to upgrade a server from SBS 2000 to Windows 2003 standard?
Is the license upgrade from SBS 200 to SBS 2003 Cheaper than SBS 2000 to Win2003 Stand?


Upgrade SBS2000 to Win2003 Standard server

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).