BUG
When the Microsoft ODBC driver 18 has been installed on a client machine, the following connection errors are encountered when connecting to a SQL Server database from an ArcGIS client.
Connection error Failed to connect to the specified DBMS instance. A database connection exception has occurred. Failure to access the DBMS server[].
Or,
Connection error Unable to get database list. A database connection exception has occurred. Unable to connect to database server to retrieve database list; please verify your server name, user name, and password info and try again. Failure to access the DBMS server[].
Microsoft ODBC Driver 18 for SQL Server includes changes related to encrypted connections that can affect Database Connection behavior in ArcGIS.
These changes include:
This bug has been addressed in the following patches and releases:
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