A fix is available
APAR status
Closed as new function.
Error description
This is the APAR for z/VM 7.4 RACF Feature Pack 1. As such it contains the following new function: RACF Support for IBM z17 and LinuxONE Emperor 5.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: z/VM RACF Users planning to move to the * * IBM z17 family ( D/T9175 ). * **************************************************************** * PROBLEM DESCRIPTION: * **************************************************************** * RECOMMENDATION: APPLY PTF * **************************************************************** This is the APAR for z/VM 7.4 RACF Feature Pack 1. As such contains the following new function: This APAR provides z/VM RACF compatibility for the IBM z17 and IBM LinuxONE Emperor 5 servers. The IBM z17 and IBM LinuxONE Emperor 5 servers make up the IBM z17 family of servers D/T9175.
Problem conclusion
Temporary fix
Comments
Several RACF parts have been recompiled to ensure compatibility with the z17 CP support. This APAR is required and must be installed together with the z17 CP APAR.
APAR Information
APAR number
VM66858
Reported component name
RACF/VM SUPPORT
Reported component ID
576700201
Reported release
740
Status
CLOSED UR1
PE
NoPE
HIPER
NoHIPER
Special Attention
YesSpecatt / New Function / Xsystem
Submitted date
2025-06-20
Closed date
2025-06-20
Last modified date
2026-01-13
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UV99452
Modules/Macros
HCPRPD HCPRPP 7VMRAC40
Fix information
Fixed component name
RACF/VM SUPPORT
Fixed component ID
576700201
Applicable component levels
R740 PSY UV99452
UP25/06/21 P 2502
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
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Document Information
Modified date:
13 January 2026