Solution : https://service.sap.com/sap/support/notes/687866 (SAP Service marketplace login required)
Key words :
hkey_local_machine\software\microsoft\mssqlserver\mssqlserver\supersocketnetlib add, hklm\software\microsoft\microsoft sql server\<instance, terms ssl certificate local security authority reason, invalid connection string attributec procname, invalid connection string attributec, microsoft sql server service, visual studio/sdk toolkits, ]ssl security errorc sloledb, server prevent proper connectivity, 0then restart sql server
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