Iphone set up not working

[iMore Question]

I am trying to set up my new iphone 5s when i put in my email address for apple ID and press next a message comes up a reads email address taken I have had this email for20 years so Im the one that has it but the phone does not know it

 

[phreddyl]

Do you currently have an apple id? maybe you set one up before and forgot...