I am under the impression that you always have to reinstall enhancements after a PU (and after checking with the developer to ensure their programming is compatible with the new PU).
If you are replacing ScanCo MB with ScanForce / DSD MB, we did that once and ScanForce helped (hands-on) with the transition... but that was just Multi-Bin, not full WMS.
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Kevin Moyes
Technical Systems Analyst
Munjal White Consulting Co.
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