Hotfixes are cumulative. This is the fifth hotfix for Substation ES 2.12.1.

You can download Hotfix #5 from the TIBCO Support Customer Portal Web UI (https://support.tibco.com).
Log in using your username and password for the TIBCO Support Web page.

  Select Download
  Select Hotfixes
  Select AvailableDownloads
  Select Mainframe
  Select Substation
  Select 2.12.1
  Select hotfix-5

You should then be able to see and download the files.

TIB_substation_2.12.1_zos.sxs.hotfix_#5.zip
TIB_substation_2.12.1_readme_hotfix.txt

Please note: Non-DFSMSdss installation packages are available by request only.
Listed below is a summary of updates included. Please refer to the associated readme document for any additional information.

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Defect corrections:

  SSES-1942 - Critical
  Fixed the Substation ES is hanging all UoW on the EMS ESB output queue.
  This could have been caused by an async send on the EMS side.

  SSES-1906 - Critical
  Fixed the RV ESB create Listeners before the ESB transport is ready.

  SSES-1794 - High
  Fixed the internal buffer sizes to handle very large results of the trigger
  service HEARTBEAT and the administration recipe service.

  SSES-1769 - Critical
  At shutdown Substation ES abends due to a HEARTBEAT message trying to send to
  a down interface. This has been fixed by stops the HEARTBEAT service first
  before other activities.