URGENT cannot connect to mssql DB

[mou haj]

My code goes some what like this
******************************
try {

Properties props = new Properties();
props.put("user", "ofs_log");
props.put("password", "ofs_log");
props.put("db", "faxsvr");
props.put("server", "161.75.29.12");
props.put("port", "1433");
Driver myDriver = (Driver)


Class.forName("weblogic.jdbc.mssqlserver4.Driver").newInstance();
Connection conn = myDriver.connect("jdbc:weblogic:mssqlserver4", props);
******************************
but im getting I/O exception
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java.sql.SQLException: I/O exception while talking to the server, java.io.EOFExc
eption: TdsInputStream.readFully - len 149 Unable to connect, please check your
server's version and availability.
at weblogic.jdbcbase.mssqlserver4.TdsStatement.microsoftLogin(TdsStateme
nt.java:2782)
at weblogic.jdbc.mssqlserver4.MicrosoftConnection.beginLogin(MicrosoftCo
-----------------------------------
but my mssql server is up and running and im connecting to it by isqlw
PLEASE PLEASE HELP VERY VERY URGENT (