This guide documents the process for migrating a P4 Server (P4D) service from a Windows server machine to Linux. The objective is to inform the planning and execution of a Windows to Linux migration, ensuring minimal disruption to users. The document outlines the necessary steps for a successful migration, including migration planning, provisioning new Linux server machines, installing Perforce P4 with SDP on Linux, and setting up the Linux replica server specification on Windows. It also details the adjustments needed for configurables, the process of pulling and verifying archives, and the importance of conducting a dry run of the cutover. The guide emphasizes the need for thorough testing and crafting a cutover procedure to ensure a seamless transition. Each component of the migration process is covered in detail, providing administrators with the necessary information to execute the migration effectively.