topic Upgrading ASAs in Network Security https://community.cisco.com/t5/network-security/upgrading-asas/m-p/2256778#M346132 <P>Hi,</P><P></P><P>We have a pair of ASA5520 firewalls running 8.4(2).&nbsp; We want to upgrade them because we're having problems with SSL VPNs (see link below).</P><P></P><P><A class="jive-link-external-small" href="https://community.cisco.com/thread/2148408" target="_blank">https://supportforums.cisco.com/thread/2148408</A><SPAN> </SPAN></P><P></P><P>Is there a reason why we should stop at 8.4(3.8) and not go to one of the 9.x releases?&nbsp; If not, please can you recommend a stable 9.x version?</P><P></P><P>Also, they're in a <SPAN style="font-size: 10pt;">clustered pair.&nbsp; Do you envisage any loss of connectivity when upgrading them (if we do them one at a time)?</SPAN></P><P></P><P>Many thanks</P><P>Alex</P> Tue, 12 Mar 2019 02:14:28 GMT Alex Sykes 2019-03-12T02:14:28Z Upgrading ASAs https://community.cisco.com/t5/network-security/upgrading-asas/m-p/2256778#M346132 <P>Hi,</P><P></P><P>We have a pair of ASA5520 firewalls running 8.4(2).&nbsp; We want to upgrade them because we're having problems with SSL VPNs (see link below).</P><P></P><P><A class="jive-link-external-small" href="https://community.cisco.com/thread/2148408" target="_blank">https://supportforums.cisco.com/thread/2148408</A><SPAN> </SPAN></P><P></P><P>Is there a reason why we should stop at 8.4(3.8) and not go to one of the 9.x releases?&nbsp; If not, please can you recommend a stable 9.x version?</P><P></P><P>Also, they're in a <SPAN style="font-size: 10pt;">clustered pair.&nbsp; Do you envisage any loss of connectivity when upgrading them (if we do them one at a time)?</SPAN></P><P></P><P>Many thanks</P><P>Alex</P> Tue, 12 Mar 2019 02:14:28 GMT https://community.cisco.com/t5/network-security/upgrading-asas/m-p/2256778#M346132 Alex Sykes 2019-03-12T02:14:28Z Upgrading ASAs https://community.cisco.com/t5/network-security/upgrading-asas/m-p/2256779#M346133 <HTML><HEAD></HEAD><BODY><P>9.0(2) seems to be the most stable current code. It has the greatest number of bug fixes. </P><P></P><P>There's no need to go to a version between your current release and that one.</P><P></P><P>If your HA pair is Active/Standby, a zero downtime upgrade is the supported path.</P></BODY></HTML> Fri, 19 Jul 2013 13:44:03 GMT https://community.cisco.com/t5/network-security/upgrading-asas/m-p/2256779#M346133 Marvin Rhoads 2013-07-19T13:44:03Z