Old software running on aged hardware and an even older unsupported operating system was causing our customer's server platform to become increasingly unreliable.

Operations staff were scared of powering off the units, as this commonly caused catastrophic failures requiring weeks to fix.

The carrier was costing out a complete network upgrade. Instead, we ported their software applications to run on modern hardware, with a modern, supported operating system.
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On top of that, we built in backup and restore functionality, completely removing the risk of catastrophic failures.