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Migrating Column-Level Encryption to Azure SQL MI

Keshav Kiran performs a migration:

One of our customers came up with a requirement where they wanted to Migrate On-prem Database to Azure SQL Managed instance. The databases had traditional column level encryption enabled.

He has restored the database on the SQL Managed instance by Backup/Restore approach. Now when he was trying to read the encrypted column on the destination database, It was showing NULL values after decryption.

Read on for the solution.