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Migration from ActiveDirectory to OpenID Connect

Project duration: 7 months

Brief description

Parts of the customer's IT infrastructure will be moved from the internal systems to the DATIS data center. In the process, authentication will be carried out via OpenID Connect instead of via Active Directory as before. For this purpose, the existing software for authentication will be re-implemented.


The existing authentication/authorization solution for an internal portal is migrated from company internal servers to DATIS. This upstream solution uses ActiveDirectory for user authentication. However, ActiveDirectory is not available on the new infrastructure and therefore has to be replaced by another technology. After a thorough analysis, a decision was made in favor of a new implementation in ASP .Net Core 3. Individual components can be taken over from the legacy software, with the actual user authentication being switched from an ActiveDirectory solution to OpenID Connect. An own system provided by the customer serves as IDP.

Subject description

With the migration to OpenID Connect, authentication is adapted and standardized on other systems already migrated at the customer. In addition, the portability of the application is increased, as the servers no longer require an ActiveDirectory connection.


Project periodProjektzeitraum01.07.2020 - 15.01.2021

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