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IBM Z Batch Network Analyzer (zBNA) Tool


Downloadable File


zBNA is a PC-based productivity tool designed to provide a means of estimating the elapsed time for batch jobs solely based on the differences in CPU speeds for a base processor and a target processor, the number of engines on each system, and system capacities; data sharing is not considered. zBNA provides powerful, graphic demonstration of the z/OS batch window.

Download Description

Product Name:
Product Version:
Operating System:
Windows 10 64-bit
Change Date:
Approximate Size:
238 MB
130 MB
Click to download the zBNA install package which includes the required IBM CPS Java V8 

To install zBNA on a Mac: Please go to "System Preferences" --> "Security and Privacy" --> "General" and ensure the radio button "Allow apps downloaded from: App Store and identified developers" is selected. Then go through the installation and in response to the prompt: "zBNA was blocked from use because it is not from an identified developer". Select "Open Anyway". Review the Installation Guide for CPS Tools on macOS for more details.

 Obtain the CP3KEXTR program 

CP3KEXTR runs on an IBM Z System processor under z/OS. It reads the SMF records to produce an Enterprise Data File (EDF) that contains the SMF Type 70's & 113 data and a (.dat) file, which contains the Type 14, 15, 16, 30 (4) (5), 42 (6) data as input to zBNA.

Access the CP3KEXTR materials.

A summary of what has changed in the latest zBNA release.
 zBNA Basics 
Navigating zBNA.
 zBNA Education 
 A new named favorite is introduced in zBNA for the IBM z15 Integrated Accelerator for Z Sort (MP4 version) 
 A new named favorite is introduced in zBNA for the IBM z15 Integrated Accelerator for Z Sort (PDF version)
Step-by-step instructions to help familiarize with zBNA's functions.
Data to use for the zBNA hands-on labs.
From the August 2015 "Open Mic" FAQ Forum session describing the latest update at that time plus a demo.
From the February 2014 "Open Mic" FAQ Forum session, which mainly focused on estimating zEDC.

Installation of zBNA on Windows

Note: While a new installation should install over a previous one, it is recommended to first perform an uninstall using Program and Features.

Download the zBNA package file then execute it as follows:

selecting RUN under the Windows START button,

opening an MS-DOS command prompt window in the directory where the package file was saved and typing the file name or opening the folder where the file was saved; double click the file name.

Note: If an error occurs when starting zBNA, email the error file to .

Support and Contacts

Email with questions, comments, and suggestions.


Document Location


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Document Information

Modified date:
18 October 2021