topic HA FTD fails over when deploying VDB updates in Network Security https://community.cisco.com/t5/network-security/ha-ftd-fails-over-when-deploying-vdb-updates/m-p/4927007#M1104449 <P>A pair of Firepower 2140s in HA configuration failover when deploying the VDB updates. Failover history shows:</P><P>Inspection engine in other unit has failed due to snort failure</P><P>my understanding is the deployment will cause inspection interruption but why does it cause the failover.&nbsp;</P> Thu, 21 Sep 2023 08:05:50 GMT mickyq 2023-09-21T08:05:50Z HA FTD fails over when deploying VDB updates https://community.cisco.com/t5/network-security/ha-ftd-fails-over-when-deploying-vdb-updates/m-p/4927007#M1104449 <P>A pair of Firepower 2140s in HA configuration failover when deploying the VDB updates. Failover history shows:</P><P>Inspection engine in other unit has failed due to snort failure</P><P>my understanding is the deployment will cause inspection interruption but why does it cause the failover.&nbsp;</P> Thu, 21 Sep 2023 08:05:50 GMT https://community.cisco.com/t5/network-security/ha-ftd-fails-over-when-deploying-vdb-updates/m-p/4927007#M1104449 mickyq 2023-09-21T08:05:50Z Re: HA FTD fails over when deploying VDB updates https://community.cisco.com/t5/network-security/ha-ftd-fails-over-when-deploying-vdb-updates/m-p/4927186#M1104456 <P>&nbsp;</P> <P>&nbsp;- Review these bug reports :&nbsp;<A href="https://bst.cloudapps.cisco.com/bugsearch?pf=prdNm&amp;kw=Inspection%20engine%20in%20other%20unit%20has%20failed%20due%20to%20snort%20failure&amp;bt=custV&amp;sb=anfr" target="_blank">https://bst.cloudapps.cisco.com/bugsearch?pf=prdNm&amp;kw=Inspection%20engine%20in%20other%20unit%20has%20failed%20due%20to%20snort%20failure&amp;bt=custV&amp;sb=anfr</A></P> <P>&nbsp;M.</P> Thu, 21 Sep 2023 13:01:17 GMT https://community.cisco.com/t5/network-security/ha-ftd-fails-over-when-deploying-vdb-updates/m-p/4927186#M1104456 Mark Elsen 2023-09-21T13:01:17Z Re: HA FTD fails over when deploying VDB updates https://community.cisco.com/t5/network-security/ha-ftd-fails-over-when-deploying-vdb-updates/m-p/4927800#M1104470 <P>This can be caused by defect CSCwf34450.</P> <P>The bug is present in FTD 7.2.4, fixed in 7.2.4.1 and 7.2.5.</P> Fri, 22 Sep 2023 12:33:57 GMT https://community.cisco.com/t5/network-security/ha-ftd-fails-over-when-deploying-vdb-updates/m-p/4927800#M1104470 Marvin Rhoads 2023-09-22T12:33:57Z