BugZero | Hewlett Packard Enterprise BugID a00155819en_us - HPE Integrated Lights-Out 6 (iLO 6) and iLO 5

BugZero | Hewlett Packard Enterprise BugID a00155819en_us - HPE Integrated Lights-Out 6 (iLO 6) and iLO 5 - iL...

Hewlett Packard Enterprise - Defect ID: a00155819en_us

HPE Integrated Lights-Out 6 (iLO 6) and iLO 5 - iLO 6 and iLO 5 May Stop Responding to SSH Connection Requests after Some Period of Time When Using a SSH Based Fencing Agent

Hewlett Packard Enterprise - Defect ID: a00155819en_us

HPE Integrated Lights-Out 6 (iLO 6) and iLO 5 - iLO 6 and iLO 5 May Stop Responding to SSH Connection Requests after Some Period of Time When Using a SSH Based Fencing Agent

Last updated on February 17th, 2026

BugZero Risk Score
6.0 Medium

Overall: 6.0

Severity: 6.4

Community: 6.4

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Bug Details

Priority: Medium
Views: 2

Description

Summary

When using an HPE Integrated Lights-Out (iLO) SSH fencing agent that is typically used with the corosync/pacemaker, the iLO SSH service may stop responding to requests after some period of time. The following may be observed when this occurs:Errors in the fencing agent logs.Inability to establish any SSH connection to iLO 5 or iLO 6.Attempting to establish a SSH connection to iLO 5 or iLO 6 from any client, either error similar to following will occur:"ERROR: Unable to connect/login to fencing devie"OR"Timed Out: Fence agent did not complete in 20s"

Scope

Any HPE system with iLO 6 or iLO 5.

Resolution

To fix this issue, update to iLO 5 firmware v3.18 or iLO 6 firmware v1.74.The following workarounds are available.Use a different fencing agent such as IPMI (fence_ipmilan) or Redfish fencing agents.ORReset iLO 6 or iLO 5 if SSH becomes unresponsive.To download iLO 6 v1.74 (or later) or iLO 5 v3.18 (or later), perform the following steps:Click the following link:http://www.hpe.com/support/ilo6orhttp://www.hpe.com/support/ilo5The page should refresh to display the "DRIVERS AND SOFTWARE" tab and the components that support the selected product. From the "DRIVERS AND SOFTWARE" expandable filter menus on the left side of the page:For further filtering if needed - Select the specific Operating System from the Operating Environment.Locate and select theHPE Integrated Lights-Out 6 v1.74 firmwareorHPE Integrated Lights-Out 5 v3.18 firmware.click the Revision History tab to locate the latest version.For more important information, review the Release Notes tab.Click theDownloadbutton.Document VersionRelease DateDetails2February 17, 2025Added fix, iLO 5 firmware v3.18 and iLO 6 firmware v1.74.1December 12, 2025Original Document Release.

Affected OS

Operating Systems Affected:Not Applicable

Change history

2026-02-17 Added: HPE Apollo 2000 Gen10 Plus System, HPE Apollo 4200 Gen10 Server, HPE Apollo 4510 Gen10 System, HPE Apollo 6500 Gen10 Plus System, HPE Apollo 6500 Gen10 System, HPE Cloudline CL2100 Gen10 Server, HPE Cloudline CL2200 Gen10 Server, HPE Cloudline CL2600 Gen10 Server, HPE Cloudline CL2800 Gen10 Server, HPE Cloudline CL3100 Gen10 Server, HPE Cloudline CL3150 Gen10 Server, HPE Cloudline CL4100 Gen10 Server, HPE Cloudline CL4150 Gen10 Server, HPE Cloudline CL4300 Gen10 Server, HPE Cloudline CL5800 Gen10 Server, HPE Integrated Lights-Out 5 (iLO 5) for HPE Gen10 Servers, HPE ProLiant DL120 Gen10 Server, HPE ProLiant DL160 Gen10 server, HPE ProLiant DL180 Gen10 server, HPE ProLiant DL20 Gen10 server, HPE ProLiant DL325 Gen10 Plus server, HPE ProLiant DL325 Gen10 server, HPE ProLiant DL360 Gen10 Servers, HPE ProLiant DL380 Gen10 Servers, HPE ProLiant DL385 Gen10 Plus server, HPE ProLiant DL385 Gen10 server, HPE ProLiant DL388 Gen10 server, HPE ProLiant DL560 Gen10 Servers, HPE ProLiant DL580 Gen10 server, HPE ProLiant DX170r Gen10 server, HPE ProLiant DX190r Gen10 server, HPE ProLiant DX360 Gen10 server, HPE ProLiant DX380 Gen10 server, HPE ProLiant DX385 Gen10 Plus server, HPE ProLiant DX4200 Gen10 server, HPE ProLiant DX560 Gen10 server, HPE ProLiant ML110 Gen10 server, HPE ProLiant ML30 Gen10 server, HPE ProLiant ML350 Gen10 server, HPE ProLiant MicroServer Gen10, HPE ProLiant MicroServer Gen10 Plus, HPE ProLiant XL170r Gen10 Server, HPE ProLiant XL190r Gen10 Server, HPE ProLiant XL220n Gen10 Plus Server, HPE ProLiant XL230k Gen10 Server, HPE ProLiant XL270d Gen10 Server, HPE ProLiant XL290n Gen10 Plus Server, HPE ProLiant XL2x260w Gen10 Server, HPE ProLiant XL450 Gen10 Server

2025-12-12 Added: HPE Alletra Storage Server 4110, HPE Alletra Storage Server 4120, HPE Alletra Storage Server 4140, HPE Integrated Lights-Out 6 (iLO 6), HPE ProLiant DL110 Gen11, HPE ProLiant DL20 Gen11, HPE ProLiant DL320 Gen11, HPE ProLiant DL325 Gen11, HPE ProLiant DL345 Gen11, HPE ProLiant DL360 Gen11 Servers, HPE ProLiant DL365 Gen11, HPE ProLiant DL380 Gen11 Servers, HPE ProLiant DL380a Gen11, HPE ProLiant DL385 Gen11, HPE ProLiant DL560 Gen11 Servers, HPE ProLiant DX365 Gen11, HPE ProLiant ML110 Gen11, HPE ProLiant ML30 Gen11, HPE ProLiant ML350 Gen11, HPE ProLiant MicroServer Gen11, HPE ProLiant RL300 Gen11, HPE Synergy 480 Gen11 Compute Modules

Relevant Products

Click on a version to see all relevant bugs

Affected versions:HPE Integrated Lights-Out 5 (iLO 5) for HPE Gen10 Servers, HPE Integrated Lights-Out 6 (iLO 6)

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Affected versions:HPE Integrated Lights-Out 5 (iLO 5) for HPE Gen10 Servers, HPE Integrated Lights-Out 6 (iLO 6)

Fixed versions: No known fixed versions

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Hewlett Packard Enterprise - Defect ID: a00155819en_us

HPE Integrated Lights-Out 6 (iLO 6) and iLO 5 - iLO 6 and iLO 5 May Stop Responding to SSH Connection Requests after Some Period of Time When Using a SSH Based Fencing Agent

Hewlett Packard Enterprise - Defect ID: a00155819en_us

HPE Integrated Lights-Out 6 (iLO 6) and iLO 5 - iLO 6 and iLO 5 May Stop Responding to SSH Connection Requests after Some Period of Time When Using a SSH Based Fencing Agent

Last updated on February 17th, 2026

BugZero Risk Score6.0 Medium

Bug Details

Summary

Scope

Resolution

Affected OS

Top Hewlett Packard Enterprise Defects

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BugZero Risk Score
6.0 Medium