InfoCenter Home > 3.4.1: Using the Migration AssistantThe Migration Assistant helps you migrate from IBM WebSphere Application Server Version 3.0.2x to Version 3.5x. To use the WebSphere Migration Assistant, you must have WebSphere Application Server installed at least at the 3.0.2x level. If you do not, you must upgrade to that level before continuing. Also, if you installed WebSphere Application Server V3.0.2 by using the native installation program, ensure that the JAVA_HOME variable is set correctly in the setupCmdLine file before continuing. Starting the Migration AssistantTo start the Migration Assistant on Windows NT/2000, run the migration executable (migration.exe). If you have a CD, migration.exe is in the \nt directory. To start the Migration Assistant on UNIX:
Note: The Migration Assistant does not check for the bootstrap port on which the current installation is running. If the bootstrap port is something other than the default (900), migration will fail. To prevent failure, start the Migration Assistant with the -nameServerPort option, specifying the appropriate port. What the Migration Assistant doesThe Migration Assistant detects if you have Version 3.0.2.x installed. If a version earlier than Version 3.0.2.x is installed, the Migration Assistant tells you to upgrade to Version 3.0.2.x before continuing and points you to this InfoCenter for more information. If the Migration Assistant detects that Version 3.0.2.x is installed, the wizard provides a series of panels that walk you through migration to Version 3.5, including:
The Migration Assistant also leads you to information about the final steps of installing the WebSphere Application Server, such as migrating application components to APIs and specifications. If you exit the Migration Assistant before completing all of the steps on the panels and later restart the Migration Assistant, the wizard restarts where you left off. Details on the migration.exe and its command-line arguments for WindowsThe migration.exe program, which runs on Windows NT/2000, determines if a migration should be performed in the course of an installation of Version 3.5. migration.exe can be run with no arguments, which is what happens you run the Version 3.5 installation program. When executed with no arguments, migration.exe makes a number of checks against values stored in the Windows NT/2000 system registry:
migration.exe may also be run with either the
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