1. Check your admission status.
You have to check admission status to know if you have been offered admission or not.
If you have received a message on your phone for an offer of admission, please still check your admission status because details on the payment of your acceptance fees @ the bank has been stated in your admission status details.
https://eportal.aaua.edu.ng

2. Confirm your acceptance fee payment.
After acceptance fee payment has been made in bank, you will be giving a payment receipt containing your receipt number and confirmation order number. Please, enter these numbers during acceptance fee confirmation to confirm that you have paid the specified amount to the bank. Until this is done, you will not be able to proceed to the next stage.

3. Print your admission letter.
If your acceptance fee payment confirmation has been done successfully, then you have to print your admission letter and if confirmation was not successful, please contact the help desk for assistance

4. Create Account/Login.
In this stage, you have to create a unique username and password, supply your functional phone number and email address if you have not done so. Keep in mind that, you must have confirmed you acceptance fee payment here before you will be allowed to create username and password.
If you have created your username and password successfully, you can then login with the username and password and start your online registration

5. Complete your profile [i.e your biodata form appropriately]
In this stage, you will be required to supply all the necessary information about yourself. Ensure that you fill them accordingly and appropriately
During this process, you will be requested to supply your O'level result result which the system will used to screen you and if your screening is successful, you can then print your school fees payment invoice and pay your school fees @ the bank. If your screening is not successful, your will not be able to pay your school fees in bank and you can contact the help desk for assistance.

6. Confirm your school fee payment.
After school fee payment has been made in bank, you will be giving a payment receipt containing your receipt number and confirmation order number. Please, enter these numbers during school fee confirmation to confirm that you have paid the specified amount to the bank. Until this is done, you will not be able to complete your course registration form online.

Source: https://www.metrovillazone.com.ng/2018/04/check-admission-status-adekunle-ajasin.html