About this task

DTXMRN is the only DDNAME recognized by the Command Server that contains the .mrn file specifications. A DD statement specifies the file name or path of the .mrn file.

To specify a resource name file for Batch


  1. Create the resource name .mrn file in the Resource Registry.
  2. Copy the .mrn file to the z/OS platform.
  3. Update the JCL file.
    • Specify the DTXMRN DDNAME definition.
    • Include a DDNAME definition for each resolved resource value used.