IST1687I

Explanation
 VTAM® issues
this message in response to a failed activation request for an HPR/IP
(Enterprise Extender) connection because one or more of the five ports
required for HPR/IP (Enterprise Extender) are not available.
 The
ports reserved for use by HPR/IP (Enterprise Extender) are decimal
port numbers:  12000
LDLC signal traffic
12001
Network-priority data
12002
High-priority data
12003
Medium-priority data
12004
Low-priority data

System action
 The HPR/IP (Enterprise Extender) port will not
be activated.

Operator response
 Issue the TCP/IP command NETSTAT SOCKETS
to display the TCP/IP applications and the ports they are using. Stop
the TCP/IP applications that are using any of the HPR/IP (Enterprise
Extender) ports. Then repeat the activation command for the Enterprise
Extender. See the z/OS Communications Server: IP Configuration
Guide for more information about the NETSTAT command.

System programmer response
 None.

Routing code
 2

Descriptor code
 5