There are multiple different editions of SQL Server that may be released.
For Example, SQL Server 2019 has the following editions
Which versions of SQL Server are compatible with Service Desk Manager 17.4?
Service Desk Manager 17.x.x
SQL Server
If you are checking compatibility between SDM 17.4.x and SQL Server, first verify that the SQL Server version is compatible by checking the Supportability Matrix
Then once you are sure the SQL Server version is compatible, ensure you are using one of the following editions of SQL Server:
The following editions of SQL Server ARE NOT compatible with Service Management: