FAQ - Access for applicants and unlocking a student profile

FAQ - Access for applicants and unlocking a student profile

I have re-enrolled, but I have forgotten my RWTH login credentials. How can I recover them?
"The credentials you entered are incorrect."
"An error occurred during authentication"
"Registration (...) is not possible"
Why have I not received my personal ConnectMe coupon?
Can I get my personal ConnectMe coupon by other means/re-issued?
How can I change to my student profile in RWTHonline?