After a project is deployed, you may need to update or extend package functionality and then redeploy the Integration Services project that contains the updated packages. As part of the process of redeploying packages, you should review the configuration properties that are included in the deployment utility. For example, you may not want to allow configuration changes after the package is redeployed.
After you finish updating the packages, you rebuild the project, copy the deployment folder to the target computer, and then rerun the Package Installation Wizard.
If you update only a few packages in the project, you may not want to redeploy the entire project. To deploy only a few packages, you can create a new Integration Services project, add the updated packages to the new project, and then build and deploy the project. Package configurations are automatically copied with the package when you add the package to a different project.