A software version upgrade was required for the ERP system of a 2000 user Australian-based multi-national. Due to the age of the incumbent server, a hardware upgrade was also required, which included a change to the underlying database structure.
- The hardware and software upgrade had to occur simultaneously across nine countries. A complete operating system change was linked to the new ERP version, meaning there was no option to change over the hardware first and then upgrade the ERP. Operating hours and different time zones needed to be considered, as well as ensuring that connectivity to the new server was tested internationally.
- A high level of program customisations were in use within the ERP, some written by an internal programming team and others written by the ERP vendor. All the customisations had to be reviewed back to the new upgrade functionality, verifying they were still required. Each customisation then need to be compiled, potentially adjusted and then redeployed to work within the new version of the software.
- Extensive testing was required to cover all international process requirements and then re-educate users on related changes. First pass and second pass testing was performed by the IT team, before passing detailed test plans over to identified “module champions” in multiple locations.
- Key new functionality was introduced as part of the upgrade, requiring process change and user re-education.
- The upgrade of both hardware and software was achieved over an elapsed time of six months.
- User re-education occurred successfully through internal delivery.
- The incidence of bugs or issues reported post-upgrade was very low, due to the extensive test regime.
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