Execute Package Utility (Connection Managers Page)
Use the Connection Managers page of the Execute Package Utility dialog box to edit the connection strings of the connection managers that the package uses.
Select its check box to make the Connection String column editable.
View a description for each connection manager. Descriptions cannot be edited.
Edit the connection string for a connection manager. This field is editable only when the Connection Manager check box is selected.
Click to run the package.
Click to close the Execute Package Utility dialog box.