Hot fix C1S012 addresses the issue(s) in SAS Threaded Kernel 9.4_M5 on z/OS as documented in the Issue(s) Addressed section of the hot fix download page: https://tshf.sas.com/techsup/download/hotfix/HF2/C1S.html#C1S012 IMPORTANT NOTES 1. You must have SAS Threaded Kernel 9.4_M5 installed on your system before applying this hot fix. Refer to Usage Note 35968 for instructions on how to determine which product releases you have installed. 2. All currently active SAS sessions, daemons, spawners and servers must be terminated before applying this hot fix. 3. The hot fix installer has a graphical user interface that requires the use of an X11 server. If an X11 server is not available at your site, the silent installation process described below may be used. 4. SAS Hot Fixes are installed into new datasets after which they can be promoted to your production libraries. Several new datasets will be created in this process. DOWNLOAD INSTRUCTIONS FTP C1S012os.zip to a UNIX file system directory on z/OS. This can be done in one of three ways: Option 1) Download hot fix C1S012os.zip to your PC. When downloading a SAS 9.4 hot fix, you must choose to "save" the hot fix. After downloading the file to the PC, FTP the C1S012os.zip file to your working directory in USS by issuing the following commands: NOTE: It is recommended to FTP the file(s) to the default USS directory <SASHOME>/InstallMisc/HotFixes/New. If this USS directory does not exist on your system, you should create it before beginning the FTP process. binary put C1S012os.zip /<your_uss_directory>/C1S012os.zip quit Option 2) From z/OS, FTP to ftp.sas.com using userid=anonymous and password=your.email&address Once you are logged on, "cd" to the following directory: /techsup/download/hotfix/HF2/C/C1S/C1S012/xx/mvs Issue the following commands to place the ZIP file in your working directory in USS: binary get C1S012os.zip /<your_uss_directory>/C1S012os.zip quit Option 3) From z/OS, submit a batch job to FTP to ftp.sas.com using using userid=anonymous and password=your.email&address See sample JCL: //FTPFIX EXEC PGM=FTP //SYSPRINT DD SYSOUT=D //FTPOUT DD SYSOUT=D //SYSIN DD * ftp.sas.com (exit anonymous your.email&address binary cd /techsup/download/hotfix/HF2/C/C1S/C1S012/xx/mvs get C1S012os.zip /<your_uss_directory>/C1S012os.zip (repl quit /* INSTALLATION INSTRUCTIONS The C1S012 hot fix for SAS Threaded Kernel 9.4_M5 will be installed using the SAS Deployment Manager . By default, the SAS Deployment Manager will search in the <SASHOME>/InstallMisc/HotFixes/New directory for hot fixes to be applied, but will also prompt for a location if you have downloaded hot fixes to a different directory. After downloading C1S012os.zip, follow the instructions for applying hot fixes in the SAS Deployment Wizard and SAS Deployment Manager 9.4: User's Guide. This completes the installation of hot fix C1S012 on z/OS.