CHALLENGE
Complex core platform migration
A leading provider of digital mail and document services aimed to modernize its core platform by migrating from a costly mainframe system to a Microsoft-based technology stack.
The project initially focused on transferring a large-scale database to Microsoft SQL Server (MSSQL), but the scope expanded to include:
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Developing and optimizing new software for the updated platform
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Replacing legacy databases with object storage solutions
These additions increased complexity, making effective project management crucial to mitigate risks such as data loss and service disruptions.

SOLUTION
Risk-free migration
To ensure a smooth transition, 7N provided an experienced consultant to lead the project. The consultant played a critical role in delivering:
Comprehensive planning
Developing a structured migration strategy covering data transfer, software development, and system optimization
Team leadership
Managing a multidisciplinary team to navigate technical challenges and ensure alignment with business objectives
Risk management
Implementing measures to prevent data loss and minimize downtime, ensuring a seamless transition
IMPACT
Seamless core platform modernization
After thorough preparation, the consultant led the team to successfully
Migrate the database to MSSQL
Optimize software for the modernized platform
Replace outdated databases with object storage
The core platform was briefly shut down for the first time, allowing a seamless two-day transition with no disruptions.
The core platform was briefly shut down for the first time, allowing a seamless two-day transition with no disruptions.
On the performance of the consultant, the client commented:
“The 7N consultant has been absolutely outstanding throughout the process - and even though we have done a lot of things wrong along the way, the biggest mistake is probably that he was not on the project from the start.”
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