Description: Application Migration Testing is a set of procedures designed to ensure that an application functions correctly after being moved to a new environment, whether it be a server, a cloud platform, or a different operating system. These tests are crucial for identifying and resolving issues that may arise during the migration process, such as software incompatibilities, data loss, or functionality failures. The primary goal is to ensure that the application maintains its performance, security, and usability, just as it did in its original environment. Migration testing can include regression testing, performance testing, and security testing, among others. The planning and execution of these tests require a deep understanding of both the original and new environments, as well as the application’s specifications and requirements. The importance of these tests lies in the fact that a failed migration can result in service interruptions, data loss, and ultimately user dissatisfaction, which can affect the organization’s reputation. Therefore, migration testing is an essential component in the software development life cycle, ensuring that applications continue to operate effectively and efficiently after being moved to a new environment.