I think you can use your Prometric Id and first time you login you can create your password.
You had sent your prometric id to request your beta voucher.
Hope this help.
Weerawit<br />SCJP 1.4, SCWCD 1.2, SCWCD 1.4, SCBCD 1.3, SCBCD 5.0, SCMAD 1.0, SCJA 1.0, SCDJWS, SCJD, SCEA, SCDJWS 1.5