Most RecentMost ViewedMost LikesI can't access my database! I deleted my "Azure Key Vault" / "key" and the TDE doesn't work. If I deleted my Azure Key Vault or just the key object and I can not access my database because the TDE is not working, what can I do? let's see how to fix it. Lesson Learned #13: SQL Server instance in use does not support column encryptionFirst published on MSDN on Dec 30, 2016 Today, I worked in a support case that our customer is using the following components: Always Encrypted, Azure Key Vault Microsoft JDBC 6.