SUMMARY:
The issue described in this document has been classified as a defect by Strategy. The issue occurs in Strategy Connectivity Wizard 10.2 - 10.5. A solution/code fix is available from Strategy 10.7. A workaround is also provided in this document.
DESCRIPTION:
When creating a SQL Server DSN in Strategy Connectivity Wizard 10.2 - 10.5, the value entered in the Host Name field is also used as the value for the Port Number if the value in the Host Name field is numeric.
Values entered in Connectivity Wizard:

Values seen in ODBC Administrator:

This may result in ODBC errors such as the following:
2016-10-18 20:56:33.316 [HOST:][SERVER:][PID:6820][THR:7724][Database Classes][Error] Failed to connect to data source. Error message: Connect failed. Error type: Odbc error. Odbc operation attempted: SQLDriverConnect. [HY000:2702: on SQLHANDLE] [Strategy][ODBC SQL Server Wire Protocol driver]Number contains an invalid character: 10.10.10.10 Connection String: DSN=...;UID=...;.