https://community.cisco.com/t5/network-security/ha-asa-5505-and-5506-x-firewalls/m-p/3883355#M25417 <P>Hi,</P> <P>No. You must have the same hardware model, reference <A href="https://www.cisco.com/c/en/us/td/docs/security/asa/asa82/configuration/guide/config/ha_overview.html#wp1077536%0A" target="_self">here.</A></P> <P>&nbsp;</P> <P>HTH</P> Tue, 02 Jul 2019 17:03:58 GMT Rob Ingram 2019-07-02T17:03:58Z https://community.cisco.com/t5/network-security/ha-asa-5505-and-5506-x-firewalls/m-p/3883351#M25412 <P>Hi</P><P>&nbsp;</P><P>is it possible to HA between ASA 5505 and ASA 5506-X Firewalls running same OS version .</P><P>&nbsp;</P><P>BR</P><P>&nbsp;</P> Tue, 02 Jul 2019 16:59:37 GMT https://community.cisco.com/t5/network-security/ha-asa-5505-and-5506-x-firewalls/m-p/3883351#M25412 kawee_ck1 2019-07-02T16:59:37Z https://community.cisco.com/t5/network-security/ha-asa-5505-and-5506-x-firewalls/m-p/3883355#M25417 <P>Hi,</P> <P>No. You must have the same hardware model, reference <A href="https://www.cisco.com/c/en/us/td/docs/security/asa/asa82/configuration/guide/config/ha_overview.html#wp1077536%0A" target="_self">here.</A></P> <P>&nbsp;</P> <P>HTH</P> Tue, 02 Jul 2019 17:03:58 GMT https://community.cisco.com/t5/network-security/ha-asa-5505-and-5506-x-firewalls/m-p/3883355#M25417 Rob Ingram 2019-07-02T17:03:58Z