I am having a problem running the CDC change capture job against some of my test databases.

The error message I'm getting is the following:

Executed as user: NT AUTHORITY\NETWORK SERVICE. Cannot execute as the database principal because the principal "dbo" does not exist, this type of principal cannot be impersonated, or you do not have permission. [SQLSTATE 42000] (Error 15517).

How can I fix this?

migrated from stackoverflow.com Apr 8 '13 at 14:43

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dbo is mapped to an invalid login. Re-map it to a valid one:


Under Security, add the principal as a "SQL user without login", make it own the schema with the same name as the principal and then in Membership make it db_owner.

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