The VIPA appeared in a VIPADYNAMIC VIPABACKUP list for the stack issuing the message, and the VIPA was deleted (VIPADYNAMIC VIPADELETE or IOCTL DELETE) from the stack where it was active or the other stack terminated. The stack issuing the message was first in the backup list and now defined and activated the VIPA.

ip_addr is the IP address of the dynamic VIPA.

tcp_jobname is the name of the job associated with the procedure that was used to start TCP/IP.

mvsname is the name of the MVS™ system where the TCP/IP job is.