A cross domain provisioning method, system and architecture for securely managing digital identities across a wide variety of IT systems, providing unified administration, compliance and auditing, and simplified connectivity. The combined use of certain aspects of the illustrative IDM Provisioning Platform (DataForum™), Connectivity Component Architecture, Design-Time Client Workflow Tool, and the use of digital certificates to secure cross domain communication channels, collectively offer a unique approach to solving cross domain provisioning problems.