When trying to create linked service in azure data factory which uses the Microsoft integration run time (self-hosted), the connection test throws error "Could not load file or assembly 'System.EnterpriseServices.Wrapper.dll' or one of its dependencies. The specified module could not be found." screenshot with error This is for copy activity in azure data factory which will have source db as an on-premise SQL db, self-hosted integration runtime is set up and running successfully.
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Could not load file or assembly 'System.EnterpriseServices.Wrapper.dll or one of its dependencies
Since self-hosted integration runtime is set up and running successfully, this error may be caused by the environment of on-premise. You could try to re-install .net framework or follow below similar solutions:
1.System.EnterpriseServices.Wrapper.dll error
2.Could not load file or assembly 'System.EnterpriseServices.Wrapper.dll'

Jay Gong
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