Unfortunately, changing environments often means changing software vendors, a task that is not always easy. In addition to the issues related to switching vendors, there are issues related to operating system functionality. Legacy vendors tended to add extensions to their programming languages in order to support operating system specific functionality, which programmers tended to use. The functionality provided by these extensions might be available when using a new compiler or it may need to be emulated via additional source code and/or products. Some issues may surface in the compile stage, but many occur only during runtime.

The safest and most cost-effective way to deal with these types of issues is via an automated code remediation. Programmatically searching through and modifying code is substantially faster and more consistent than having a group of programmers manually perform the process. Since Datatek's tools use a compiler's point of view, modifications based on a complete analysis of the source code can be easily made, including customer-specific additions/modifications. For companies who were already planning on making global modifications (e.g., changing record layouts and the supporting code), these modifications can now be done simultaneously and in a secure way. Additionally, Datatek provides custom code to emulate legacy system functionality that is not built-in to newer platforms.