Modifier/VBA customizations can open a mixed bag of issues at upgrade time. Moreover, it's not just Dynamics GP upgrades you need to concern yourself with; issues such as intervening operating system updates can also ruin your day. For example, Microsoft Security Bulletin MS08-070, originally published on December 9, 2008, addressed security holes found in Visual Basic 6 Runtime. While this critical update may have fixed the runtime vulnerabilities, it broke many a VBA customization.
This section will review some hazards that could affect your Modifier/VBA customizations.
You can only make visual changes using the Modifier tool. You can add or remove buttons and fields, move things around, hide things, change the tab order, colors, fonts, and so on. You cannot change or attach code using only the Modifier tool (without VBA), but you can completely change the look and feel of a window.
Upgrades to Dynamics GP can change the layout and content of any window. If the changes...