Compatibility with different levels of i5/OS

Because you can use IBM® Toolbox for Java™ both on your server and your client, the compatibility issues affect both running on a server and connecting from a client back to a server.

Running IBM Toolbox for Java on your servers

To install IBM Toolbox for Java (licensed program 5722-JC1 V5R4M0) on an iSeries™ system, the server must be running one of the following:

You can install only one version of the IBM Toolbox for Java licensed program on the system. To install a different version, first remove the existing IBM Toolbox for Java licensed program.

Using IBM Toolbox for Java to connect from a client back to the server

You can use different versions of IBM Toolbox for Java on a client and on the server to which you are connecting. To use IBM Toolbox for Java to access data and resources on an iSeries system, the server to which you are connecting must be running one of the following:

The following table shows the compatibility requirements for installing IBM Toolbox for Java on and connecting back to different versions of i5/OS.

Note: IBM Toolbox for Java does not support forward compatibility. You cannot install IBM Toolbox for Java on or use it to connect to a server that runs a more recent version of i5/OS. For example, if you are using the version of IBM Toolbox for Java that ships with i5/OS V5R2, you cannot install it on or connect to a server that runs i5/OS V5R4.
LPP Ships with i5/OS Installs on i5/OS Connects back to i5/OS
5722-JC1 V5R2M0 V5R2 V4R5 and later V4R5 and later
5722-JC1 V5R3M0 V5R3 V5R1 and later V5R1 and later
Start of change5722-JC1 V5R4M0End of change Start of changeV5R4End of change Start of changeV5R2 and laterEnd of change Start of changeV5R2 and laterEnd of change