I have often heard NAV developers and consultants say that there are immense advantages of upgrading from Microsoft Dynamics NAV 2009 to 2013 R2; Can anyone enlist me the top few.
there is a defined upgrade path. follow it and all is ok.
http://msdn.microsoft.com/en-us/library/dn271649(v=nav.71).aspx
http://msdn.microsoft.com/en-us/library/dn466744(v=nav.71).aspx