https://live.paloaltonetworks.com/t5/general-topics/ha-malfunctioned-due-to-data-plane-down/m-p/442379#M100091 <P>Hello&nbsp;</P><P>We have PA-3220 and its running 9.0.12. recently i saw that HA status is showing that "HA malfunctioned due to dataplane failed" and we cannot push any configuration on the firewall due to "dataplane failed" error message.&nbsp;</P><P>Please suggest what can cause this error. I also see "the dataplane is starting" critical log message under system logs.&nbsp;</P><P>&nbsp;</P><P>Thank you</P> Wed, 20 Oct 2021 22:36:47 GMT GQMerdian 2021-10-20T22:36:47Z https://live.paloaltonetworks.com/t5/general-topics/ha-malfunctioned-due-to-data-plane-down/m-p/442379#M100091 <P>Hello&nbsp;</P><P>We have PA-3220 and its running 9.0.12. recently i saw that HA status is showing that "HA malfunctioned due to dataplane failed" and we cannot push any configuration on the firewall due to "dataplane failed" error message.&nbsp;</P><P>Please suggest what can cause this error. I also see "the dataplane is starting" critical log message under system logs.&nbsp;</P><P>&nbsp;</P><P>Thank you</P> Wed, 20 Oct 2021 22:36:47 GMT https://live.paloaltonetworks.com/t5/general-topics/ha-malfunctioned-due-to-data-plane-down/m-p/442379#M100091 GQMerdian 2021-10-20T22:36:47Z https://live.paloaltonetworks.com/t5/general-topics/ha-malfunctioned-due-to-data-plane-down/m-p/442422#M100098 <P><a href="https://live.paloaltonetworks.com/t5/user/viewprofilepage/user-id/187235">@GQMerdian</a>&nbsp;</P> <P>&nbsp;</P> <P>Can be due to software bug</P> <P>I will recommend you to upgrade the PA to Version 9.1.11</P> <P>As it is recommended one.</P> <P>&nbsp;</P> <P>Regard</P> Thu, 21 Oct 2021 02:59:51 GMT https://live.paloaltonetworks.com/t5/general-topics/ha-malfunctioned-due-to-data-plane-down/m-p/442422#M100098 MP18 2021-10-21T02:59:51Z