If changing the port never makes the connection fail, are you sure that the Port parameter is supported by the ODBC driver?

connectionstrings.com shows a different syntax for using a non-standard port, namely Server=host,port. So in your case, that could be:

...;Server=$SQLserver, $SQLport;...

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In reply to Re: dbi:ODBC change Port by Corion
in thread dbi:ODBC change Port by Anonymous Monk

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