If you are currently running ATG 6 on WebLogic or WebSphere and want to migrate to ATG 9.4, you should be aware of some significant differences between the way ATG 6 and ATG 9.4 applications run:

When you migrate to ATG 9.4, you must reassemble your applications to take advantage of the new format, which is more modular, easier to maintain, and less likely to result in system resource conflicts. For information about how to reassemble your applications, see Reassembling Your Applications.

 
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