CPHSV0021E
Server user user_name cannot run discovery on the default z/OS SYSID sysid.

Explanation

The server user ID must have authority to invoke discovery on the default z/OS SYSID.

System action

Discovery fails and authorization messages are shown in the job logs.

Response

Ensure that the server user ID has READ access to the ESM FACILITY profile named CPH.DISCOVER.MVS.{mvsSysID}

For more information on configuring CICS DA, see CICS Deployment Assistant for z/OS 5.2