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z/OS Communications Server
z/OS Communications Server Support provides help, apars, downloads, fixes, hints and tips, FAQs, problem determination, flashes, technical support, error resolution, problem reporting, and assistance with problems.

Storage Display Command Not Accepted by the Stand-Alone Telnet Server The DISPLAY TCPIP,tnproc,TELNET,STOR command is issued to track storage usage by the TN3270 Telnet server when running as a stand-alone address space. After an upgrade to z/OS 1.10, the attempt fails with the following message:[<xmp> EZZ6048I TELNET DISPLAY COMMAND FAILED WITH RCODE 803F</xmp>] Abend0c4 in VTAM module ISTPUCCA during application close ACB VTAM abend due to bad RUPE pointer in Register 4. Register 4 is loaded with ACDRUPE from ACDEB. The ACDRUPE field is overlaid with data x'00004800'. Migration Issue for Custom CICS Listener Transactions There is a change in z/OS 1.9 which will affect any customer applications that use a custom listener transaction through the CICS Socket API. The code that locates the Listener Control Area (LCA) for the transaction will at least need to be recompiled using the updated EZACICA macro. If the transaction is deployed to run on multiple z/OS releases, additional code will need to be added to support both. [<b>Note:</b>] If the EZACIC02 module has been copied to another library from earlier rel IBM Configuration Assistant for z/OS Communications Server IBM Configuration Assistant for z/OS Communications Server provides centralized configuration of AT-TLS, IP Security, NSS, PBR, QoS, and IDS policies. Directory Services Management Exit (DSME) Sample code Sample implementation of a Directory Services Management Exit (DSME). SYSTCPDA: z/OS Communications Server TCP/IP Packet Trace Formatter This is a replacement for the z/OS Communication Service Packet Trace Formatter z/OS Network Security Configuration Assistant z/OS Network Security Configuration Assistant provides centralized configuration of IP Security and AT-TLS policy for z/OS V1R7. Manage z/OS Intrusion Detection Services events with Tivoli Risk Manager The sample format file provides a mapping of z/OS CommServer Intrusion Detection Services (IDS) syslog messages to Tivoli Risk Manager attributes. IBM TCP/IP Configuration Demo for z/OS A configuration tool for creating TCP/IP, FTP, and TN3270 profiles for z/OS. eServer IDS Configuration Manager The eServer IDS Configuration Manager enables centralized configuration of Intrusion Detection policy for z/OS. CBSample CBSAMPLE is a sample application program that can be used to graphically monitor internal TCP/IP variables on a z/OS host system. HIPER Fix List for VTAM in the z/OS Communications Server This document details the HIPER fixes for VTAM and related components on the z/OS Communications Server. A similar list for TCP/IP components can be found in document [<a href="http://www-01.ibm.com/support/docview.wss?rs=852&uid=swg21316935" target="_blank">1316935</a>]. HIPER Fix List for TCP/IP in the z/OS Communications Server This document details the HIPER fixes for TCP/IP and related components on the z/OS Communications Server. A similar list for VTAM components can be found in document [<a href="http://www-01.ibm.com/support/docview.wss?rs=852&uid=swg21316934" target="_blank">1316934</a>]. Diagnosing slow logon or logon hangs. In subarea, APPN or mixed subarea and APPN networks, a logon can sometimes hang or take considerable time for the session to setup. There are VTAM start options that can help reduce some of these problems as well as methods to determine what may be causing these issues. Tandem LUs become SLU Disabled after change from NCP to APPN DLUR configuration and a session attempt to an application that is not active Tandem LUs that were connected through an NCP were migrated to a SNASwitch router using the DLUR function. The Tandem LUs were attempting a session to an application that was not currently active. Upon the session failure VTAM sent a notify to the Tandem LU with sense code 08570002. At this point the Tandem LU sends a notify to VTAM indicating the SLU is disabled.

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