During the search for an LDAP group, the prompt LDAP search failed is displayed.
Cause one: The LDAP server does not exist or there is no reachable route to the LDAP server.
Cause two: The information about the LDAP server is incorrectly configured.
Cause three: The base DN/port DN for searching a group is incorrectly configured.
Cause four: The searching rules do not comply with specifications.