Model 204 system requirements: Difference between revisions

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==Model 204 Release V7.5==
Rocket Software has completed regression testing and certification of [[Model 204 support lifecycle|supported Model 204 releases]].
Release V7.5 is supported on the following operating system environments:
 
===Model 204 version 7.9===
 
Version 7.9 is certified for all IBM supported releases up to and including the following:
<ul>
<ul>
<li>IBM z/OS versions 1.09 through [[#z/OS 2.1 compatibility issues|2.1]]</li>              
<li>IBM z/OS 3.2</li>
<li>IBM z/VM versions 5.3 and 5.4</li>
<li>IBM z/OS 2.3<br />
<li>IBM z/VSE version 4.2.1</li>
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) </li>
<li>IBM z/VM 6.3 </li>
<li>IBM z/VSE 6.1 </li>
</ul>
</ul>


==Model 204 Release V7R4==
===Model 204 version 7.8===
Release V7.4 is supported on the following operating system environments:
 
Version 7.8 is certified for all IBM supported releases up to and including the following:
<ul>
<li>IBM z/OS 3.2</li>
<li>IBM z/OS 2.3<br />
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) </li>
<li>IBM z/VM 6.3 </li>
<li>IBM z/VSE 6.1 </li>
</ul>
 
===Model 204 version 7.7===
 
Version 7.7 is certified for all IBM supported releases up to and including the following:
<ul>
<ul>
<li>IBM z/OS versions 1.09 through [[#z/OS 2.1 compatibility issues|2.1]]</li>              
<li>IBM z/OS 3.2</li>
<li>IBM z/VM versions 5.3 and 5.4</li>
<li>IBM z/OS 2.3<br />
<li>IBM z/VSE version 4.2.1</li>
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) </li>
<li>IBM z/VM 6.3 </li>
<li>IBM z/VSE 6.1 </li>
</ul>
</ul>


==Model 204 Release V7R1==
===Model 204 version 7.6===
Release V7.1 is supported on the following operating system environments:
 
Version 7.6 is certified for all IBM supported releases up to and including the following:
<ul>
<ul>
<li>IBM z/OS versions 1.09 through [[#z/OS 2.1 compatibility issues|2.1]]</li>
<li>IBM z/OS 2.4</li>
<li>IBM z/VM versions 5.3 and 5.4</li>
<li>IBM z/OS 2.3<br />
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) </li>
<li>IBM z/VM 6.3 </li>
<li>IBM z/VSE 6.1 </li>
</ul>
</ul>


==z/OS 2.1 compatibility issues==
===Model 204 version 7.5===
In Model 204 versions 7.5 and lower, Horizon TCP  applications sending data larger than 16K might get the following error: 
<p class="code">M204.1254: User language statement is invalid in this conversation state</p>                         
This error occurs under z/OS version 2.1 because the TCP Default Send Buffer Size (DefaultSndBufSize) was increased  to 65536 (from 16384 in earlier versions).


===Solution===
Version 7.5 is certified for all IBM supported releases up to and including the following:
<ul>
<ul>
<li>IBM z/OS 2.4</li>
<li>IBM z/OS 2.3<br />
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) <br />
(For IBM z/OS 2.1, see [[IBM z/OS 2.1 compatibility issue]].)</li>               
<li>IBM z/VM 6.3</li>
<li>IBM z/VSE 6.1</li>
</ul>


<li><b>Model 204 v7.5:</b> <br />Apply zap 75Z226.</li>
===Model 204 version 7.4===
Version 7.4 is certified for all IBM supported releases up to and including the following:
<li><b>Model 204 v7.4:</b> <br />Currently fixed by zap 74Z4552. Contact Model 204 support.</li>
<ul>
<li>IBM z/OS 2.4</li>
<li><b>Model 204 v7.1 (and lower):</b> <br />Workaround: Set z/OS 2.1 TCP DefaultSndBufSize to 16384.</li>
<li>IBM z/OS 2.3<br />
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) <br />
(For IBM z/OS 2.1, see [[IBM z/OS 2.1 compatibility issue]].)</li>              
<li>IBM z/VM 6.3</li>
<li>IBM z/VSE 6.1</li>
</ul>
</ul>
===Model 204 version 7.1===
Version 7.1 is certified for all IBM supported releases up to and including the following:
<ul>
<li>IBM z/OS 2.1 (see [[IBM z/OS 2.1 compatibility issue]])</li>             
<li>IBM z/VM 6.3</li>
</ul>
<p class="note"><b>Note:</b> Model 204 version 7.1 is not supported on IBM z/VSE.</p>
[[Category:Installation]]

Latest revision as of 17:08, 11 June 2026

Rocket Software has completed regression testing and certification of supported Model 204 releases.

Model 204 version 7.9

Version 7.9 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.8

Version 7.8 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.7

Version 7.7 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.6

Version 7.6 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.5

Version 7.5 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.4

Version 7.4 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.1

Version 7.1 is certified for all IBM supported releases up to and including the following:

Note: Model 204 version 7.1 is not supported on IBM z/VSE.

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