Frequently Asked Question

How do I activate OTP two-factor authentication for access to AIS?
Last Updated 7 months ago

If you use authentication via your STU employee hybrid card to enter the secured parts of AIS (Final theses, Teacher's notebook, ...) and you encounter a problem where AIS does not allow you to enter your PIN code, it is most likely due to the fact that you have an employee card older than 5 years and the validity of the generated certificate has therefore expired already.

The solution to this problem is:

1. activating an alternative method of authentication using OTP technology in your mobile phone. Instructions can be found attached. In case of any problem, contact your faculty integrator.

2. generating a new certificate for your employee card (it is not necessary to issue a new card). However, this requires your personal visit to the PKI administrator at CVT STU. It is necessary to make an appointment with the administrator at

Also, a combination of both solutions is possible, so you will have a choice of authentication method.

Activation instructions (.pdf) are attached.

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