Removing a node If the old primary server is not recoverable: Run Infor LTR Manager in Advanced Mode. Note: For more information about advanced mode, see Enabling advance mode features. Navigate to machines. Select the lost host and click Delete. Update the Elastic Search YML file on all hosts of Infor LTR. Refer to the "Updating the Elastic Search YML file" section in the Infor Local Technology Runtime Installation Guide for instructions on how to update this file.