Exchange 2007 upgrade to Exchange 2013 steps

Hi All,

I want to upgrade our exchange 2007 SP3 RU10 to Exchange 2013 CU1. please let me know what would be the process / steps

1 should i first install CAS or mailbox

2 do i have to install both or should i go first with CAS and move CAS roles and then deploy Mailbox role

3 should i install both together configure every thing and then move CAS Role

4 do i have to install Exchange 2013 RTM first and then CU1 or should i start the installation directly from CU1

5 if point number 5 is true then Exchange 2013 CU1 is general download will i be able to activate the server with our Exchange product key.

Thanks

If answer is helpful, please hit the green arrow on the left, or mark as answer. Salahuddin | Blogs:http://salahuddinkhatri.wordpress.com | MCITP Microsoft Lync