Last Updated: 18 December 2025

Service and feature packs released for the z/VM 7.4 DirMaint component


z/VM 7.4 introduced linear service to the product. Service fix packs and feature packs are now released on a regular cadence. By installing the latest pack you will receive all service fixes and features for the component. Refer to the change log table below for a comprehensive list of changes to the component since the z/VM 7.4 General Availability date.

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A list of service for z/VM 7.4 DirMaint
Release Level Available Type Crit PE Security HIPER APAR PTF Details
7.4 0101 20251218December 18, 2025 Fix pack No No No VM66904 UV99455 z/VM 7.4 DirMaint Fix Pack - Feature 01 Fix 01
  • Fix for DVHSRV3209E RC=-27 During Daily Processing
    DIRMAINT gets daily DVHSRV3209E Unexpected RC=-27, from Pipe: DVHSRV3209E GetRequestedFiles.
7.4 0100 20251003October 3, 2025 Feature pack No No No VM66874 UV99453 z/VM 7.4 DirMaint Feature Pack - Feature 01 Fix 00
  • Enhanced LOADDEV Support
    This enhancement enhances the current DirMaint LOADDEV command to support the ALTERNATE keyword. The addition of LOADDEV ALTERNATE statements introduces support for up to three alternate paths for a SCSI Device, thereby extending the capability to handle multiple paths for IPLing the guest.