A file created by Oracle Net Configuration Assistant that contains the following directory configuration information:
Type of directory
Location of the directory
Default Oracle Context that the client or server will use to look up or configure connect identifiers for connections to database services
The ldap.ora file must reside in one of the following locations:
The directory specified
by the TNS_ADMIN
environment variable If the TNS_ADMIN
environment variable is not defined as a variable on Windows NT, it may
be in the registry.
The $ORACLE_HOME/network/admin
directory on UNIX or the ORACLE_HOME\network\admin
directory on Windows operating systems.