Thank you for the post, Oelias.
I am sorry for any problems you have encountered redeeming your codes for the education version of Creative Cloud. I can confirm for you that your subscription is active.
Did you use the steps listed at https://adobe.ly/4tSkmx5 to submit the first code, Oelias?
If you purchased a duplicate code, check with the seller to confirm any restrictions placed on it. Many codes offer a free 30-day trial for new subscribers, but do not apply to existing subscribers, Oelias. You will want to double-check with the provider of the code to determine the type of code you purchased or were provided.
Please update this public discussion thread, Oelias, if you have any additional questions. ^JW