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On-Premises vs. Cloud : Solving the Email Management dilemma for an Indian Multinational Conglomerate


With the growth in business and employee strength, effective management of on-premise large mailboxes and mega data storage was becoming an ever-increasing challenge

Business Need

  • Client needed an efficient and easy to manage solution to bring down the cost of on premise large mail boxes with ease of access, location and device agnostic features.
  • Re-evaluation of on-premises storage requirement.

The Solution

  • After a thorough assessment of the existing infrastructure and workloads Microsoft Office 365 was identified as the most optimum solution.
  • HCL Infosystems was entrusted to implement the solution for 17,000 seatsand Office Pro Plus up-gradation for 10,000+ seats. signed
  • A Hybrid architecture configuration with on premise Exchange servers was designed.
  • Mailbox crunch capacity resolved by providing each user with 50 GB primary mailbox.
  • Seamless transition to Office 365 with single sign-on functionality for all users with almost zero down-time was delivered finally

Client Benefits

  • Simplified storage management and no requirement for on premise Server management –all management tasks remote and portal enabled
  • Significant reduction of operating & capital expenditure and manpower cost
  • Improved productivity impacting the overall performance of the organization
  • Scalability and Reliability
  • Increased security, scalability &reliability

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