Vaccination Appointment Struggles

Overloaded servers and unusable phone lines while trying to get a vaccination appointment for my grandmother

Christian Behler
5 min readJan 26, 2021
An image of a nurse holding a needle and a debug console with a lot of errors next to her.
Vaccine image by fernando zhiminaicela from Pixabay.

Since yesterday, vaccination appointments can be made in North Rhine-Westphalia, the most populous state in Germany. In the first group are senior citizens age 80 and above, including my grandmother. So alongside a million other people, I tried to get an appointment for her. As expected, however, the servers were completely overloaded and kept crashing. Another problem in the long list of issues in the German vaccine rollout.

Very expected errors

Last week, letters were sent out to the people in the first vaccination group informing them that appointment booking was going to start at 8 am on Monday morning. However, the letters didn’t contain any PINs, passwords, or direct server addresses, so roughly a million people in the first group all rushed to a single website.

After a few page timeouts, it was possible to get through the main landing page, which only contained static information so I assume it was mirrored on multiple servers to handle the load.

It redirected to other websites depending on the responsible vaccination center. This is where the real problems started. The appointment…

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Christian Behler

M. Sc. Computer Science and Physics, Indie Game/Software/Web Developer, Writer, 3D Artist, and too many other interests. https://pingpoli.medium.com/membership