MIgrate ADFS 1.x to ADFS to 2.1

Because 2003 will no longer be supported I will upgrading my AD and functional level to 2012.  Also, several member servers have 2003 and the roles will need to be migrated to Windows 2012 servers - namely ADFS.
Are there step-by-step instructions to migrate ADFS settings.  I recognize there is not a ton of data typically but I do not want to miss anything.  Do I simply stand up a new ADFS server while the other is running etc.?

Thank you for your time in advance!
K BAsked:
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AmitIT ArchitectCommented:
Here is MS guide:

If you ask me, I might open MS case and get all details, as there is very less information available for ADFS. I am currently doing ADFS certificate renewal. Not an easy task. lot of complication. Especially, coordinating with SP vendors.

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K BAuthor Commented:
SP vendors?
AmitIT ArchitectCommented:
Service Provide or Relying Parties.
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Windows Server 2003

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