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    • EMS event not transmitted to IPv6 syslog server
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/EMS_event_not_transmitted_to_IPv6_syslog_server
      Applies to ONTAP 9 Syslog Server IPv6 Issue Forward ONTAP event to IPv6 syslog server fails when use only IPv6 routing for management vserver. ERR: EMS::SYSLOG_HANDLER: Cannot send an ems message to s...Applies to ONTAP 9 Syslog Server IPv6 Issue Forward ONTAP event to IPv6 syslog server fails when use only IPv6 routing for management vserver. ERR: EMS::SYSLOG_HANDLER: Cannot send an ems message to syslog destination: Reason:: Network is unreachable
    • Active IQ Unified Manager acquisition fails using IPv6
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/Active_IQ_Unified_Manager_acquisition_fails_using_IPv6
      Active IQ Unified Manager 9.7P1 ( AIQUM ) The Unified Manager acquisition to an ONTAP cluster via IPv6 fails. Errors reported on acquisition with start time <time>: [[Device name <WWN>]: Communication...Active IQ Unified Manager 9.7P1 ( AIQUM ) The Unified Manager acquisition to an ONTAP cluster via IPv6 fails. Errors reported on acquisition with start time <time>: [[Device name <WWN>]: Communication problem with the cluster: <cluster ipv6>, command: system-get-version, error: 'Unexpected HTTP response: 400 Bad Request' on try 5 out of 5] An error appears in the cluster apache-error.log
    • ONTAP 9 system fails to boot with "This platform is not supported in this release." after IPv4 is disabled on BMC
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/ONTAP_9_system_fails_to_boot_with_This_platform_is_not_supported_in_this_release_after_IPv4_is_disabled_on_BMC
      Applies to ONTAP 9.3 or earlier running on one of the following systems: AFF A220 FAS2720 FAS2750 Issue IPv4 is disabled, and only IPv6 is active for the BMC. A filer or BMC reboot is performed. The b...Applies to ONTAP 9.3 or earlier running on one of the following systems: AFF A220 FAS2720 FAS2750 Issue IPv4 is disabled, and only IPv6 is active for the BMC. A filer or BMC reboot is performed. The boot process displays the following messages and failure: IPMI:Read midplane FRU common header:failed *************************************************** This platform is not supported in this release. The system will now halt
    • How to disable IPv6?
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/How_to_disable_IPv6
      Applies to ONTAP 9 IPv6 Answer You may receive the following error message if attempting to disable IPv6: ::> network options ipv6> modify -enabled false Error: command failed: Once enabled, IPv6 supp...Applies to ONTAP 9 IPv6 Answer You may receive the following error message if attempting to disable IPv6: ::> network options ipv6> modify -enabled false Error: command failed: Once enabled, IPv6 support cannot be disabled. Disabling IPv6 is a diagnostic command: ::> set diag ::*> network options ipv6 modify -enabled false Additional Information network options ipv6 modify
    • Can IPv6 be disabled on the ONTAP Select Deploy Instance?
      https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/Can_IPv6_be_disabled_on_the_ONTAP_Select_Deploy_Instance
      Applies to ONTAP Select Deploy (Deploy) Answer Deploy 9.6212 and lower enable IPv6 by default and cannot be disabled. Starting in Deploy 9.7, IPv6 is disabled. Note: These settings cannot be changed b...Applies to ONTAP Select Deploy (Deploy) Answer Deploy 9.6212 and lower enable IPv6 by default and cannot be disabled. Starting in Deploy 9.7, IPv6 is disabled. Note: These settings cannot be changed because root access is disabled by default in Deploy. Additional Information
    • Unable to add switches to Cluster Switch Health Monitor (CSHM) when IPv6 is used
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Unable_to_add_switches_to_Cluster_Switch_Health_Monitor_CSHM_when_IPv6_is_used
      Applies to All ONTAP releases All Cluster Network switches IPv6 Issue When only IPv6 is used for ONTAP and Cluster Network switches management, switches fail to be automatically added to CSHM Adding s...Applies to All ONTAP releases All Cluster Network switches IPv6 Issue When only IPv6 is used for ONTAP and Cluster Network switches management, switches fail to be automatically added to CSHM Adding switches manually to CSHM via system cluster-switch create reports error Error: command failed: Monitoring is not supported for IP addresses in the address family "ipv6"
    • ActiveIQ Unified Manager services not starting
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/ActiveIQ_Unified_Manager_services_not_starting
      Applies to ActiveIQ Unified Manager(AIQUM) 9.x Issue Services are not started and access to the GUI is not available
    • WFA install or upgrade fails with message that server service could not be started
      https://kb.netapp.com/Legacy/OnCommand_Suite/WFA_install_or_upgrade_fails_with_message_that_server_service_could_not_be_started
      WFA install or upgrade to 5.x fails with an error that the WFA server service could not start. The console log from the install shows that pinging localhost was unsuccessful. The install logs are loca...WFA install or upgrade to 5.x fails with an error that the WFA server service could not start. The console log from the install shows that pinging localhost was unsuccessful. The install logs are located in /var/log/wfa. Apr 10 15:38:43: Starting WFA services ... Apr 10 15:38:43: Starting WFA server service. Apr 10 15:38:56: Could not start WFA server service successfully. Could not ping host machine on wfa port 443. JBOSS startup failed during wfa-server service startup.
    • Not able to register to vCenter using IPv6
      https://kb.netapp.com/data-mgmt/OTV/VSC_Kbs/Not_able_to_register_to_vCenter_using_IPv6
      Applies to ONTAP Tools for VMware (OTV) TCP/IP v6 Issue When vCenter and OTV are configured with IPv6, OTV is unable to communication with Vcenter.