SQL Server Error Msg 15455 – Adding an encryption to the service master key failed. An encryption by the machine key already exists.

In this blog post, let’s learn about the error message “15455 – Adding an encryption to the service master key failed. An encryption by the machine key already exists.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.

SQL Server Error Message

15455 – Adding an encryption to the service master key failed. An encryption by the machine key already exists.

Reason for the Error

To be update soon…

Solution

To be update soon…

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