Mvsckey Not Found Exclusive ((top)) < 2025-2027 >

This indicates the type of access being requested. Exclusive access means no other task can read or write to the file while it is in use. Common Causes for This Conflict

If a CICS or IMS region is holding the file, you must manually close the file within that region (e.g., using CEMT SET FILE(NAME) CLOSED ) before your batch job can proceed. Preventative Best Practices mvsckey not found exclusive

Use the system command D GRS,RES=(*,dataset.name) to see who currently owns the resource. This will tell you the Job Name and the type of lock (Shared vs. Exclusive). 2. Check Job Dependencies This indicates the type of access being requested