Cisco Cisco NAC Appliance 4.5 Release Notes

Page of 142
 
133
Release Notes for Cisco NAC Appliance, Version 4.5(1)
OL-16409-01
  Troubleshooting
Tip
If these links change on MSDN, try a search for the file names provided above or search for the phrase 
“Windows Script 5.6.”
Troubleshooting
This section provides troubleshooting information for the following topics: 
Note
For additional troubleshooting information, see also 
Vista/IE 7 Certificate Revocation List
Note
In IE 7, the “Check for server certificate revocation (requires restart)” checkbox is enabled by default 
under IE's Tools > Internet Options > Advanced | Security settings.
The “Network error: SSL certificate rev failed 12057” error can occur and prevent login for Clean Access 
Agent or Cisco NAC Web Agent users in either of the following cases:
1.
The client system is using Microsoft Internet Explorer 7 and/or Windows Vista operating system, 
and the certificate issued for the CAS is not properly configured with a CRL (Certificate Revocation 
List).
2.
A temporary SSL certificate is being used for the CAS (i.e. issued by www.perfigo.com) AND
The user has not imported this certificate to the trusted root store.
The user has not disabled the “Check for server certificate revocation (requires restart)” 
checkbox in IE. 
To resolve the error, perform the following actions: