No, The IPv6 stack that is/was available for Server 2003 was experimental at best and was never ever intended for production use.
Server 2003 is over 10 years old and will go EOS/EOL (just like XP is set to do) is just over 14 months from now! There have been 4 editions of Windows Server released since Server 2003 was, why not use one of those?
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