topic Re: ACS 4.2.1 JAVA requirement questions in Network Security https://community.cisco.com/t5/network-security/acs-4-2-1-java-requirement-questions/m-p/1525391#M922943 <HTML><HEAD></HEAD><BODY><P>Hello Angela</P><P></P><P>It will not affect anything on working on ACS server. The doc says that it should have minimum JRE version.</P><P></P><P>My suggestion will be that you should have atleast minimum version installed i.e. Sun JRE 1.4.2_04 and later upgrade to latest one. I have installed the latest java version in my lab and it is running fine.</P><P></P><P>Let me know if the above reply answered your queries.</P><P></P><P>thanks</P><P>Shree</P></BODY></HTML> Fri, 01 Oct 2010 03:07:55 GMT Devashree Chakrabarti 2010-10-01T03:07:55Z ACS 4.2.1 JAVA requirement questions https://community.cisco.com/t5/network-security/acs-4-2-1-java-requirement-questions/m-p/1525390#M922941 <P>Per Cisco 4.2.1 installation guide, the JAVA requirement is:</P><P></P><TABLE border="1" cellpadding="3" cellspacing="0" id="wp1061834table1061829" width="80%"><TBODY><TR align="left" valign="top"><SPAN class="content"></SPAN><TD><P class="pB1_Body1">Java Run-time Environment (JRE)</P></TD><TD><A name="wp1061875" target="_blank"></A><A name="wpmkr1061874" target="_blank"></A><P class="pBu1_Bullet1">•<IMG border="0" height="2" src="http://www.cisco.com/en/US/i/templates/blank.gif" width="19" />Sun JRE 1.4.2_04</P><A name="wp1068244" target="_blank"></A><P class="pBu1_Bullet1">•<IMG border="0" height="2" src="http://www.cisco.com/en/US/i/templates/blank.gif" width="19" />Sun JRE 1.4.2_16</P><A name="wp1069072" target="_blank"></A><P class="pBu1_Bullet1">•<IMG border="0" height="2" src="http://www.cisco.com/en/US/i/templates/blank.gif" width="19" />Sun JRE 5.0 Update 13</P><A name="wp1069073" target="_blank"></A><P class="pBu1_Bullet1">•<IMG border="0" height="2" src="http://www.cisco.com/en/US/i/templates/blank.gif" width="19" />Sun JRE 6.0 Update 3</P></TD></TR></TBODY></TABLE><P></P><P></P><P>But our company's security requirement is:</P><P></P><P>5.0 update 20</P><P>6.0 update 15.</P><P></P><P></P><P>My question are:</P><P>- What will be the impact if I have JAVA 5.0 update 20&nbsp; / 6.0 update 15&nbsp; installed&nbsp; ( will it affect the ACS running )</P> Fri, 21 Feb 2020 12:05:04 GMT https://community.cisco.com/t5/network-security/acs-4-2-1-java-requirement-questions/m-p/1525390#M922941 Xiang Hong Angela YAN 2020-02-21T12:05:04Z Re: ACS 4.2.1 JAVA requirement questions https://community.cisco.com/t5/network-security/acs-4-2-1-java-requirement-questions/m-p/1525391#M922943 <HTML><HEAD></HEAD><BODY><P>Hello Angela</P><P></P><P>It will not affect anything on working on ACS server. The doc says that it should have minimum JRE version.</P><P></P><P>My suggestion will be that you should have atleast minimum version installed i.e. Sun JRE 1.4.2_04 and later upgrade to latest one. I have installed the latest java version in my lab and it is running fine.</P><P></P><P>Let me know if the above reply answered your queries.</P><P></P><P>thanks</P><P>Shree</P></BODY></HTML> Fri, 01 Oct 2010 03:07:55 GMT https://community.cisco.com/t5/network-security/acs-4-2-1-java-requirement-questions/m-p/1525391#M922943 Devashree Chakrabarti 2010-10-01T03:07:55Z