In order to obtain a doctorate degree online, you should check for accreditation with the Distance Education training Council (DETC). DETC has a marvellous reputation among institutions. Note that if you earned your degree from an unaccredited institute you will find it hard to secure the admission.
Do not rush for things as there is a wide variety of doctorate course you can study. Think very carefully and choose the domain that is most suitable to your interest.
You should try to keep close contact with successful doctorate degree holders as their guidance will play you a lot. Do not forget to stay in contact with those students who are also studying online.
You might find it hard to study online but be confident and keep working hard. Online study programs provide you a lot of benefits but sometimes it become difficult to get on track.
Your institute will provide you an email account. Use that email account and send all your queries to your instructor and do not feel shy in taking help.
You should fulfil all the requirements to complete your doctorate program.