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Migrating Real-Life Enterprise ‘Ultra-Legacy’ Systems (Guest Post)

Sometimes the posts I write inspire others to write ones that are even better based on their personal experiences - this is one of those blog posts! Tero Hanninen has been involved in migrating one of those ultra-legacy systems for a few years, and it turns out his process reads like a horror novel for IT people. Heed the lesson, learn from his experience - and enjoy one of my favorite (to date) reader contributions ... thank you to Tero for his fantastic contribution!

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