To install the CICS® VT SSI permanently, you must IPL the MVS™ system. But first you need to make the following changes to SYS1.PARMLIB:
SUBSYS SUBNAME(VIDS) INITRTN(VIDSSINT)
The final step to install the SSI is to perform an IPL of the system. If you previously installed the SSI dynamically, you added the VID.SVIDLINK modules to an existing linklisted data set. After the SSI is installed permanently, you should remove these modules from this data set.