E-mail Archive Migration Solution with Highest Data Fidelity

  • Migration of unlimited data volumes without compromising its integrity
  • Support for over 25 different archives, formats and storage platforms
  • Unmatched processing rates: extracting, converting and writing data at speeds over 1.5 GB per minute


In early 2006 one of the world’s leading vendors specializing in e-mail archives and PST content management submitted a tender to deliver a next-gen e-mail archive migration software with versatile platform support and near-zero risk of data loss or tampering for both premium and mid-segment clients. Itransition team’s software engineering skills and technology competence secured a successful bid to be test-driven during the rescue of the Customer’s existing shortcut management tool. Deeply comfortable with the results and expertise of our dedicated team the Customer and Itransition went on with the full-scale project implementation.


The solution is based on a client-server model and represents a Windows-based platform which provides for secure migration of legacy e-mail archive contents to alternative archives and messaging platforms. The solution enables seamless, selective and audited transportation of data from/to 25+ archive systems without compromising its integrity and ensuring that it remains seamlessly accessible during migration.

Functionality Overview

The delivered platform provides for direct migration of e-mail archive data and supports the majority of e-mail archive platforms, both on-site and in the cloud. The solution envisages user-specific functionality providing different users only with the tools relevant for their tasks and ensuring proper workload distribution:

  • Fast Processing Rates.The solution automates e-mail archive migration with a high-performance engine that creates a direct pipeline between virtually any third-party archive and Exchange and/or Office 365 using Exchange Web Services API. The multi-threaded engine delivers an unmatched processing rate, extracting, converting and writing data at speeds over 1.5 GB per minute.
  • High Data Fidelity.All migrated items are checked and transferred in a stepwise manner, eliminating data loss or tampering risks. Each item gets audited, and the users are provided with reporting and analytical tools for detecting and troubleshooting potential issues.
  • Flexible Migration.The solution allows users to analyze e-mail archive contents, profile them and perform selective record migration, as well as define retention policies, remove duplicate data and filter out obsolete data. The platform also provides users with tools for legacy shortcut clean-up and generates detailed reports for data traceability.
  • Zero Impact on Users. The solution reads archive databases during migration without altering their data or restricting user access. Migration and conversion are carried out ‘on-the-go’ without stopping the source archive service since data gathering, analysis and migration are run in a read-only mode. The solution also provides for scheduling migration and limiting bandwidth usage as to ensure workflow persistence despite network and system capacities.
  • Versatile Platform Support.The delivered solution offers a series of connectors that support migration between and within different versions of industry-leading archive formats, as well as the migration of data held in systems that are maturing or declining in popularity into newer, more capable environments.

Technology Overview

The solution utilizes .NET as the main technology framework along with .NET Remoting API for inter-process communication. The client UIs are built using .NET WinForms and WCF, based on Infragistics components. The database layer is built on Microsoft SQL Server.

The reporting module is based on DevExpress, a powerful suite which provided for the creation of complex and detailed migration reports. Application development process was notably simplified by utilizing the Apache log4net logging library. The solution has been integrated with the following archive systems: Symantec EV API, HP Riss Query API, EMC S1 API, EAS API, Exchange Web Services and Centera.

Project Timeline


Our dedicated team delivered a comprehensive email archive migration solution tailored to the Customer’s needs. The platform’s ability to process large amounts of data reliably and at speeds up to ten times higher than what competitors’ products offer secured the Customer’s leadership position in the market. Since its release more than 800 companies already enjoyed the benefits of the fastest migration solution with near-zero processing errors and highest data fidelity. Cooperation with the Customer is still in progress as the solution is being modified to include an additional number of supported archive platforms with enhanced usability and functionality. Itransition Inc.


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