Page is a not externally linkable
-- Google SEO News and Discussion
---- Google loves me - OK to change hosts?
engine - 1:35 pm on Sep 17, 2013 (gmt 0)Thread source:: http://www.webmasterworld.com/google/4609587.htm
I'd also add, it's worth choosing the quietest time to change over to minimise user issues.
Googlebot is unlikely to have a problem with a short delay.
Brought to you by WebmasterWorld: http://www.webmasterworld.com