This can be beneficial to other community members reading this thread. When user download email header analyzer utility, then it becomes easier to.2.Client Tools Backwards Compatibility : Client Tools Backward Compatibility includes the following components:SQL Distributed Management Objects (SQL-DMO) Decision Support Objects (DSO).3.Client Tools SDK: Includes the software development kit containing resources for programmers.4.SQL Client Connectivity SDK: Includes SQL Server Native Client (ODBC/OLE DB) SDK for database application development.If you just want to use the sql engine services and you can only select the first feature and the SQL Client Connectivity SDK will be selected default.You can also reference Uri Dimant’s and Olaf Helper’s answers.Please remember to click "Mark as Answer" the responses that resolved your issue, and to click "Unmark as Answer" if not. 1.Client Tools Connectivity : Client Tools includes components for communication between clients and servers,including network libraries for DB-Library, OLEDB for OLAP, ODBC, ADODB, and ADOMD+.Very popular web-based tool Microsoft Remote Connectivity Analyzer now has. If you just want to use the sql engine services and you can only select the first feature and the SQL Client Connectivity SDK.You can think of the Client Tools SDK as one virtual package.<< Can be more specific?Actually this concept is for the developer. 2.Client Tools SDK: Includes the software development kit containing resources for programmers.
Microsoft Connectivity Analyzer Tool Software Development Kit