IST2338I

Explanation
 VTAM® issues
this message during START processing or in response to a MODIFY
VTAMOPTS command when the value of the NACPROBE start option
is not correct. Valid values for NACPROBE are DUMP, NODUMP, or a numeric
value.
See NACPROBE start option in z/OS Communications Server: SNA Resource Definition
Reference.

System action
One of the following occurred: 
If the error occurred during START processing, VTAM issues message IST1311A to prompt you for
the correct value of the NACPROBE start option.
If the error occurred in response to a MODIFY VTAMOPTS command, VTAM ignores the NACPROBE value
and processing continues.

Operator response
Take one of the following actions:
If the error occurred during START processing, enter a valid value
for the NACPROBE start option in response to message IST1311A. You
can also enter a blank if you want to accept the default value of
NODUMP for the NACPROBE start option or an earlier valid value of
the NACPROBE start option. 
If the error occurred in response to a MODIFY VTAMOPTS command,
enter the command again with a valid value for the NACPROBE start
option.

System programmer response
Take one of the following actions:
If the error occurred during START processing and NACPROBE is
coded in an ATCSTRxx file, correct the value for
the NACPROBE start option.
If the error occurred in response to a MODIFY VTAMOPTS command,
no further action is required.

User response
Not applicable.

Problem determination
Not applicable.

Source
z/OS® Communications
Server SNA

Module
You can display the module that issues a SNA message
in the message by setting the MSGMOD start option to YES. See Adding the originating module to the message text for more information about the MSGMOD
start option.

Routing code
 2

Descriptor code
 5

Automation
Not applicable.

Example
 IST2338I NACPROBE MUST BE 'DUMP', 'NODUMP', OR A NUMERIC VALUE