21 days countdown for migration from SBS 2003 to SBS 2011

How does the countdown down start for DCpromo of the old server ?
Is it from the time we click "finish migration" on the console of the SBS 211 server or is it from the time we actually started the whole process ont he source server ?
I read somewhere that there was only a 7 days grace period to DCpromo down the source server.
So: when does it start and for how long is the grace period ? (I am still waiting for my public folders to synch...
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Simon Butler (Sembee)ConsultantCommented:
It starts from the point the new server is made a domain controller.
The default grade is seven days - the patch that is installed at the start of the migration extends that to 21 days.


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