Maintenance work: Update login server

On 28.06.2022 from 7.30 to 9.00 a.m.

2022/06/27

+++ Update from 28.07.2022: Maintenance successfully completed +++ During this period, the central login server will be updated to a new version. The update process ran successfully in the test environment. In addition, the service is designed to be fail-safe, so that a breakdown is not to be expected.