Interactively-run programs

Some programs are run interactively, such as PI OPC Client and PI Interface for OPC DA, by starting them from the command line. These programs are associated with the user logged into the computer (unless the Windows Run As command is used).

If the account is a local user account, by default, it lacks the privileges required to run applications that were installed by an administrator.

To enable the local user to run applications that were installed by an administrator, add the local user account to the security properties of the folder that contains the application’s executable and assign Read and Execute permissions.