By default, the certificate verification feature is disabled. You can enable this feature by adding the following registry value:
On the Windowsmenu, click to display the Run dialog box.
Type regedit then click to open the Registry Editor.
Browse to the HKEY_LOCAL_MACHINE\SOFTWARE\Novell\Login\LDAP directory.
Create a DWORD Value file with the value 1. Name this file VerifySSLCert.
Exit the Registry Editor.