topic ISE LDAP Secure - Test Failed to connect: Connection refused for host in Network Access Control https://community.cisco.com/t5/network-access-control/ise-ldap-secure-test-failed-to-connect-connection-refused-for/m-p/3588513#M535490 <HTML><HEAD></HEAD><BODY><P>Dears.</P><P></P><P>I have problem with the connection for LDAP Secure (port 636), when i try a test to the connection the message is:</P><P></P><P><STRONG>Test Failed to connect: Connection refused for host.</STRONG></P><P></P><P>Is this message&nbsp; a problem connection to the network or connection for the certificate?.</P><P></P><P></P><P>Thanks.</P><P></P><P>Francisco</P></BODY></HTML> Mon, 17 Jul 2017 23:03:17 GMT Francisco Manuel Garcia Garcia 2017-07-17T23:03:17Z ISE LDAP Secure - Test Failed to connect: Connection refused for host https://community.cisco.com/t5/network-access-control/ise-ldap-secure-test-failed-to-connect-connection-refused-for/m-p/3588513#M535490 <HTML><HEAD></HEAD><BODY><P>Dears.</P><P></P><P>I have problem with the connection for LDAP Secure (port 636), when i try a test to the connection the message is:</P><P></P><P><STRONG>Test Failed to connect: Connection refused for host.</STRONG></P><P></P><P>Is this message&nbsp; a problem connection to the network or connection for the certificate?.</P><P></P><P></P><P>Thanks.</P><P></P><P>Francisco</P></BODY></HTML> Mon, 17 Jul 2017 23:03:17 GMT https://community.cisco.com/t5/network-access-control/ise-ldap-secure-test-failed-to-connect-connection-refused-for/m-p/3588513#M535490 Francisco Manuel Garcia Garcia 2017-07-17T23:03:17Z Re: ISE LDAP Secure - Test Failed to connect: Connection refused for host https://community.cisco.com/t5/network-access-control/ise-ldap-secure-test-failed-to-connect-connection-refused-for/m-p/3588514#M535491 <HTML><HEAD></HEAD><BODY><P>I believe your ISE is unable to open a connection at all. One way to verify it is to get TCPDump.</P><P></P><P>Recently I saw an issue with an expired LDAP cert and ISE gave:</P><BLOCKQUOTE><TABLE border="1"><TBODY><TR><TD> <P>Test Failed to connect: Certificate or SSL error.</P> </TD></TR></TBODY></TABLE></BLOCKQUOTE></BODY></HTML> Mon, 17 Jul 2017 23:19:12 GMT https://community.cisco.com/t5/network-access-control/ise-ldap-secure-test-failed-to-connect-connection-refused-for/m-p/3588514#M535491 hslai 2017-07-17T23:19:12Z