Cannot install Protection Service E-Mail security

I am not able to install E-Mail security because when trying to connect to the MSSQL database I get the following error (tranlated from geman):


The setup could not find an appropriate SQL-Provider ont the Host. SSL Security Error.


It does not matter if I use the inbuild SQL Express installer of F-secure or if I install another one.


The server runs W2019 and Exchange 2019.


How can I solve this?




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