If the migration
tool fails to connect to Cisco Secure ACS or ISE, check the migration.log file
to identify the problem.
The following error message is displayed if the Cisco Secure ACS or ISE host name is not resolvable: "UnknownHostException:
The following error message is displayed if the Cisco Secure ACS or Cisco ISE hostname entered in the migration tool does
not match the name in the certificate: "hostname in certificate didn't match: <hostname> != </hostname_in_certificate>"
Ensure that the
certificate's Common Name in the Subject field or DNS name in Subject Alternate
Name field in Cisco Secure ACS and Cisco ISE matches the Hostname provided in
the migration tool.
The following error message is displayed if the Cisco Secure ACS and ISE certificates are not trusted by the migration tool:
"SSLHandshakeException: unable to find valid certification path to requested target"
Ensure that Cisco
Secure ACS and Cisco ISE certificates are trusted by adding the required
certificates in the
Secure ACS to Cisco ISE Migration Tool.
page in the