When never pass the proceedure [Tasks to execute]

[xi xin]

I download MySQL Migration Toolkit 1.0.20 rc (for installer)
but the error still, I had report the BUG,
not soluted yet.

[Message Log]

Connecting to source database and retrieve schemata names.
Initializing JDBC driver ...
Driver class MS SQL JDBC Driver
Opening connection ...
Connection jdbc:jtds:sqlserver://192.168.3.100:1433/masterwork;user=sa;password=sa
The list of schema names could not be retrieved (error: 0).
ReverseEngineeringMssql.getSchemata :Network error IOException: Connection refused: connect
Details:
net.sourceforge.jtds.jdbc.ConnectionJDBC2.<init>(ConnectionJDBC2.java:355)
net.sourceforge.jtds.jdbc.ConnectionJDBC3.<init>(ConnectionJDBC3.java:50)
net.sourceforge.jtds.jdbc.Driver.connect(Driver.java:178)
java.sql.DriverManager.getConnection(Unknown Source)
java.sql.DriverManager.getConnection(Unknown Source)
com.mysql.grt.modules.ReverseEngineeringGeneric.establishConnection(Unknown Source)
com.mysql.grt.modules.ReverseEngineeringMssql.getSchemata(Unknown Source)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
com.mysql.grt.Grt.callModuleFunction(Unknown Source)

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In fact, I plan to give up the migeration tool that mysql own, and search another way.